diff --git a/yarn.lock b/yarn.lock
index 19aaea8..e9dcc75 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -79,6 +79,26 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-10.17.51.tgz#639538575befbcf3d3861f95c41de8e47124d674"
   integrity sha512-KANw+MkL626tq90l++hGelbl67irOJzGhUJk6a1Bt8QHOeh9tztJx+L0AqttraWKinmZn7Qi5lJZJzx45Gq0dg==
 
+"@worldbrain/storex-backend-dexie@^0.2.3":
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/@worldbrain/storex-backend-dexie/-/storex-backend-dexie-0.2.3.tgz#e516ba8e18edceb4c0b7b0214a973a3f821e0c7f"
+  integrity sha512-vlS1NzO91UAZo5PrOkQolmf9+N+6mZRkraXZNERPUvfjA/zlMgltIoCu7pfKSDzJU3kCWgLTaO9VwplpMIZXew==
+  dependencies:
+    dexie "^2.0.4"
+    dexie-mongoify "^1.3.0"
+
+"@worldbrain/storex@^0.4.1":
+  version "0.4.1"
+  resolved "https://registry.yarnpkg.com/@worldbrain/storex/-/storex-0.4.1.tgz#daab9669371290618f867ebf1dcef94c13c3b3d1"
+  integrity sha512-YZADOArVpi5U0UNdKSxv041t08knlA9yLfgAK7Lurtwpl6WzCghjwo6gzAeHhbn9lXmhU/75ZqE4sQ2GUPvYdg==
+  dependencies:
+    event-emitter "^0.3.5"
+    events "^3.0.0"
+    lodash "^4.17.11"
+    pluralize "^7.0.0"
+    randombytes "^2.0.6"
+    source-map-support "^0.4.18"
+
 ansi-regex@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-3.0.0.tgz#ed0317c322064f79466c02966bddb605ab37d998"
@@ -103,6 +123,13 @@ arr-flatten@^1.0.1:
   resolved "https://registry.yarnpkg.com/arr-flatten/-/arr-flatten-1.1.0.tgz#36048bbff4e7b47e136644316c99669ea5ae91f1"
   integrity sha512-L3hKV5R/p5o81R7O02IGnwpDmkp6E982XhtbuwSe3O4qOtMMMtodicASA1Cny2U+aCXcNpml+m4dPsvsJ3jatg==
 
+array-concat@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/array-concat/-/array-concat-0.1.1.tgz#531f1294df0237b2e6347c1e44b36fc3aa9f4917"
+  integrity sha512-7h3WUqss2VlebWGreOE8CHzItKIoDBaiBuJFaAaJVN/5u6eyn4vbJZ50ooo6+N5F3OOa0qvojiTgmNWQxOBwoA==
+  dependencies:
+    curry2 "^0.1.0"
+
 array-from@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/array-from/-/array-from-2.1.1.tgz#cfe9d8c26628b9dc5aecc62a9f5d8f1f352c1195"
@@ -213,6 +240,19 @@ core-js@^2.4.1, core-js@^2.5.3:
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.12.tgz#d9333dfa7b065e347cc5682219d6f690859cc2ec"
   integrity sha512-Kb2wC0fvsWfQrgk8HU5lW6U/Lcs8+9aaYcy4ZFc6DDlo4nZ7n70dEgE5rtR0oG6ufKDUnrwfWL1mXR5ljDatrQ==
 
+curry2@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/curry2/-/curry2-0.1.0.tgz#cc9837ec9148a6eaea47f6cedf254d103031a233"
+  integrity sha512-IuomEUqZ3cV7ZYsboKhYfT/apbgJC1bugIgj8VdQmNvZsXEbspRJ4C5gQpGvgO7d4n4I9thpbyKBqrr+b1cWaA==
+
+d@1, d@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/d/-/d-1.0.1.tgz#8698095372d58dbee346ffd0c7093f99f8f9eb5a"
+  integrity sha512-m62ShEObQ39CfralilEQRjH6oAMtNCV1xJyEx5LpRYUVN+EviphDgUc/F3hnYbADmkiNs67Y+3ylmlG7Lnu+FA==
+  dependencies:
+    es5-ext "^0.10.50"
+    type "^1.0.1"
+
 debug@3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
@@ -227,6 +267,20 @@ deep-eql@^3.0.1:
   dependencies:
     type-detect "^4.0.0"
 
+dexie-mongoify@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/dexie-mongoify/-/dexie-mongoify-1.3.0.tgz#952035718a1bf1d130a174b4df96272ea4b6d0a2"
+  integrity sha512-LEmeiYk3SJ2IUqb4yiY5ZYQ63WeRSbICoFO9bYwwhBsa9p//MnfLEyPk3Cj0tG4al/eOWhXt+lMg0z2KpRRsOQ==
+  dependencies:
+    array-concat "^0.1.1"
+    object-assign "^4.1.0"
+    only "^0.0.2"
+
+dexie@^2.0.4:
+  version "2.0.4"
+  resolved "https://registry.yarnpkg.com/dexie/-/dexie-2.0.4.tgz#6027a5e05879424e8f9979d8c14e7420f27e3a11"
+  integrity sha512-aQ/s1U2wHxwBKRrt2Z/mwFNHMQWhESerFsMYzE+5P5OsIe5o1kgpFMWkzKTtkvkyyEni6mWr/T4HUJuY9xIHLA==
+
 diff@3.3.1:
   version "3.3.1"
   resolved "https://registry.yarnpkg.com/diff/-/diff-3.3.1.tgz#aa8567a6eed03c531fc89d3f711cd0e5259dec75"
@@ -244,6 +298,32 @@ domexception@^1.0.1:
   dependencies:
     webidl-conversions "^4.0.2"
 
+es5-ext@^0.10.35, es5-ext@^0.10.50, es5-ext@~0.10.14:
+  version "0.10.62"
+  resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.62.tgz#5e6adc19a6da524bf3d1e02bbc8960e5eb49a9a5"
+  integrity sha512-BHLqn0klhEpnOKSrzn/Xsz2UIW8j+cGmo9JLzr8BiUapV8hPL9+FliFqjwr9ngW7jWdnxv6eO+/LqyhJVqgrjA==
+  dependencies:
+    es6-iterator "^2.0.3"
+    es6-symbol "^3.1.3"
+    next-tick "^1.1.0"
+
+es6-iterator@^2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/es6-iterator/-/es6-iterator-2.0.3.tgz#a7de889141a05a94b0854403b2d0a0fbfa98f3b7"
+  integrity sha512-zw4SRzoUkd+cl+ZoE15A9o1oQd920Bb0iOJMQkQhl3jNc03YqVjAhG7scf9C5KWRU/R13Orf588uCC6525o02g==
+  dependencies:
+    d "1"
+    es5-ext "^0.10.35"
+    es6-symbol "^3.1.1"
+
+es6-symbol@^3.1.1, es6-symbol@^3.1.3:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/es6-symbol/-/es6-symbol-3.1.3.tgz#bad5d3c1bcdac28269f4cb331e431c78ac705d18"
+  integrity sha512-NJ6Yn3FuDinBaBRWl/q5X/s4koRHBrgKAu+yGI6JCBeiu3qrcbJhwT2GeR/EXVfylRk8dpQVJoLEFhK+Mu31NA==
+  dependencies:
+    d "^1.0.1"
+    ext "^1.1.2"
+
 escape-string-regexp@1.0.5, escape-string-regexp@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
@@ -254,6 +334,19 @@ escape-string-regexp@^2.0.0:
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-2.0.0.tgz#a30304e99daa32e23b2fd20f51babd07cffca344"
   integrity sha512-UpzcLCXolUWcNu5HtVMHYdXJjArjsF9C0aNnquZYY4uW/Vu0miy5YoWvbV345HauVvcAUnpRuhMMcqTcGOY2+w==
 
+event-emitter@^0.3.5:
+  version "0.3.5"
+  resolved "https://registry.yarnpkg.com/event-emitter/-/event-emitter-0.3.5.tgz#df8c69eef1647923c7157b9ce83840610b02cc39"
+  integrity sha512-D9rRn9y7kLPnJ+hMq7S/nhvoKwwvVJahBi2BPmx3bvbsEdK3W9ii8cBSGjP+72/LnM4n6fo3+dkCX5FeTQruXA==
+  dependencies:
+    d "1"
+    es5-ext "~0.10.14"
+
+events@^3.0.0:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/events/-/events-3.3.0.tgz#31a95ad0a924e2d2c419a813aeb2c4e878ea7400"
+  integrity sha512-mQw+2fkQbALzQ7V0MY0IqdnXNOeTtP4r0lN9z7AAawCXgqea7bDii20AYrIBrFd/Hx0M2Ocz6S111CaFkUcb0Q==
+
 expand-brackets@^0.1.4:
   version "0.1.5"
   resolved "https://registry.yarnpkg.com/expand-brackets/-/expand-brackets-0.1.5.tgz#df07284e342a807cd733ac5af72411e581d1177b"
@@ -280,6 +373,13 @@ expect@^23.5.0:
     jest-message-util "^23.4.0"
     jest-regex-util "^23.3.0"
 
+ext@^1.1.2:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/ext/-/ext-1.6.0.tgz#3871d50641e874cc172e2b53f919842d19db4c52"
+  integrity sha512-sdBImtzkq2HpkdRLtlLWDa6w4DX22ijZLKx8BMPUuKe1c5lbN6xwQDQCxSfxBQnHZ13ls/FH0MQZx/q/gr6FQg==
+  dependencies:
+    type "^2.5.0"
+
 extglob@^0.3.1:
   version "0.3.2"
   resolved "https://registry.yarnpkg.com/extglob/-/extglob-0.3.2.tgz#2e18ff3d2f49ab2765cec9023f011daa8d8349a1"
@@ -637,6 +737,11 @@ ms@2.0.0:
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
   integrity sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=
 
+next-tick@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/next-tick/-/next-tick-1.1.0.tgz#1836ee30ad56d67ef281b22bd199f709449b35eb"
+  integrity sha512-CXdUiJembsNjuToQvxayPZF9Vqht7hewsvy2sOWafLvi2awflj9mOC6bHIg50orX8IJvWKY9wYQ/zB2kogPslQ==
+
 nise@^1.2.0:
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/nise/-/nise-1.5.3.tgz#9d2cfe37d44f57317766c6e9408a359c5d3ac1f7"
@@ -655,6 +760,11 @@ normalize-path@^2.0.1:
   dependencies:
     remove-trailing-separator "^1.0.1"
 
+object-assign@^4.1.0:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
+  integrity sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg==
+
 object-path@^0.11.4:
   version "0.11.5"
   resolved "https://registry.yarnpkg.com/object-path/-/object-path-0.11.5.tgz#d4e3cf19601a5140a55a16ad712019a9c50b577a"
@@ -675,6 +785,11 @@ once@^1.3.0:
   dependencies:
     wrappy "1"
 
+only@^0.0.2:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/only/-/only-0.0.2.tgz#2afde84d03e50b9a8edc444e30610a70295edfb4"
+  integrity sha512-Fvw+Jemq5fjjyWz6CpKx6w9s7xxqo3+JCyM0WXWeCSOboZ8ABkyvP8ID4CZuChA/wxSx+XSJmdOm8rGVyJ1hdQ==
+
 parse-glob@^3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/parse-glob/-/parse-glob-3.0.4.tgz#b2c376cfb11f35513badd173ef0bb6e3a388391c"
@@ -698,9 +813,14 @@ path-to-regexp@^1.7.0:
     isarray "0.0.1"
 
 pathval@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/pathval/-/pathval-1.1.0.tgz#b942e6d4bde653005ef6b71361def8727d0645e0"
-  integrity sha1-uULm1L3mUwBe9rcTYd74cn0GReA=
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/pathval/-/pathval-1.1.1.tgz#8534e77a77ce7ac5a2512ea21e0fdb8fcf6c3d8d"
+  integrity sha512-Dp6zGqpTdETdR63lehJYPeIOqpiNBNtc7BpWSLrOje7UaIsE5aY92r/AunQA7rsXvet3lrJ3JnZX29UPTKXyKQ==
+
+pluralize@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/pluralize/-/pluralize-7.0.0.tgz#298b89df8b93b0221dbf421ad2b1b1ea23fc6777"
+  integrity sha512-ARhBOdzS3e41FbkW/XWrTEtukqqLoK5+Z/4UeDaLuSW+39JPeFgs4gCGqsrJHVZX0fUrx//4OF0K1CUGwlIFow==
 
 preserve@^0.2.0:
   version "0.2.0"
@@ -729,6 +849,13 @@ randomatic@^3.0.0:
     kind-of "^6.0.0"
     math-random "^1.0.1"
 
+randombytes@^2.0.6:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/randombytes/-/randombytes-2.1.0.tgz#df6f84372f0270dc65cdf6291349ab7a473d4f2a"
+  integrity sha512-vYl3iOX+4CKUWuxGi9Ukhie6fsqXqS9FE2Zaic4tNFD2N2QQaXOMFbuKK4QmDHC0JO6B1Zp41J0LpT0oR68amQ==
+  dependencies:
+    safe-buffer "^5.1.0"
+
 realistic-structured-clone@^2.0.1:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/realistic-structured-clone/-/realistic-structured-clone-2.0.2.tgz#2f8ec225b1f9af20efc79ac96a09043704414959"
@@ -761,6 +888,11 @@ repeat-string@^1.5.2:
   resolved "https://registry.yarnpkg.com/repeat-string/-/repeat-string-1.6.1.tgz#8dcae470e1c88abc2d600fff4a776286da75e637"
   integrity sha1-jcrkcOHIirwtYA//Sndihtp15jc=
 
+safe-buffer@^5.1.0:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
+  integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==
+
 samsam@1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/samsam/-/samsam-1.3.0.tgz#8d1d9350e25622da30de3e44ba692b5221ab7c50"
@@ -861,6 +993,16 @@ type-detect@4.0.8, type-detect@^4.0.0, type-detect@^4.0.5:
   resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-4.0.8.tgz#7646fb5f18871cfbb7749e69bd39a6388eb7450c"
   integrity sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==
 
+type@^1.0.1:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/type/-/type-1.2.0.tgz#848dd7698dafa3e54a6c479e759c4bc3f18847a0"
+  integrity sha512-+5nt5AAniqsCnu2cEQQdpzCAh33kVx8n0VoFidKpB1dVVLAN/F+bgVOqOJqOnEnrhp222clB5p3vUlD+1QAnfg==
+
+type@^2.5.0:
+  version "2.7.2"
+  resolved "https://registry.yarnpkg.com/type/-/type-2.7.2.tgz#2376a15a3a28b1efa0f5350dcf72d24df6ef98d0"
+  integrity sha512-dzlvlNlt6AXU7EBSfpAscydQ7gXB+pPGsPnfJnZpiNJBDj7IaJzQlBZYGdEi4R9HmPdBv2XmWJ6YUtoTa7lmCw==
+
 typescript@^3.0.1:
   version "3.9.7"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.7.tgz#98d600a5ebdc38f40cb277522f12dc800e9e25fa"