diff --git a/docs/package-lock.json b/docs/package-lock.json
old mode 100755
new mode 100644
index e88f7c5..5397a06
--- a/docs/package-lock.json
+++ b/docs/package-lock.json
@@ -1787,7 +1787,8 @@
                 "ansi-regex": {
                     "version": "2.1.1",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "aproba": {
                     "version": "1.2.0",
@@ -1808,12 +1809,14 @@
                 "balanced-match": {
                     "version": "1.0.0",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "brace-expansion": {
                     "version": "1.1.11",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "balanced-match": "^1.0.0",
                         "concat-map": "0.0.1"
@@ -1828,17 +1831,20 @@
                 "code-point-at": {
                     "version": "1.1.0",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "concat-map": {
                     "version": "0.0.1",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "console-control-strings": {
                     "version": "1.1.0",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "core-util-is": {
                     "version": "1.0.2",
@@ -1955,7 +1961,8 @@
                 "inherits": {
                     "version": "2.0.3",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "ini": {
                     "version": "1.3.5",
@@ -1967,6 +1974,7 @@
                     "version": "1.0.0",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "number-is-nan": "^1.0.0"
                     }
@@ -1981,6 +1989,7 @@
                     "version": "3.0.4",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "brace-expansion": "^1.1.7"
                     }
@@ -1988,12 +1997,14 @@
                 "minimist": {
                     "version": "0.0.8",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "minipass": {
                     "version": "2.2.4",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "safe-buffer": "^5.1.1",
                         "yallist": "^3.0.0"
@@ -2012,6 +2023,7 @@
                     "version": "0.5.1",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "minimist": "0.0.8"
                     }
@@ -2092,7 +2104,8 @@
                 "number-is-nan": {
                     "version": "1.0.1",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "object-assign": {
                     "version": "4.1.1",
@@ -2104,6 +2117,7 @@
                     "version": "1.4.0",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "wrappy": "1"
                     }
@@ -2189,7 +2203,8 @@
                 "safe-buffer": {
                     "version": "5.1.1",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "safer-buffer": {
                     "version": "2.1.2",
@@ -2225,6 +2240,7 @@
                     "version": "1.0.2",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "code-point-at": "^1.0.0",
                         "is-fullwidth-code-point": "^1.0.0",
@@ -2244,6 +2260,7 @@
                     "version": "3.0.1",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "ansi-regex": "^2.0.0"
                     }
@@ -2287,12 +2304,14 @@
                 "wrappy": {
                     "version": "1.0.2",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "yallist": {
                     "version": "3.0.2",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 }
             }
         },
@@ -4480,14 +4499,14 @@
             "dev": true
         },
         "postcss": {
-            "version": "7.0.2",
-            "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.2.tgz",
-            "integrity": "sha512-fmaUY5370keLUTx+CnwRxtGiuFTcNBLQBqr1oE3WZ/euIYmGAo0OAgOhVJ3ByDnVmOR3PK+0V9VebzfjRIUcqw==",
+            "version": "7.0.36",
+            "resolved": "https://registry.npmjs.org/postcss/-/postcss-7.0.36.tgz",
+            "integrity": "sha512-BebJSIUMwJHRH0HAQoxN4u1CN86glsrwsW0q7T+/m44eXOUAxSNdHRkNZPYz5vVUbg17hFgOQDE7fZk7li3pZw==",
             "dev": true,
             "requires": {
-                "chalk": "^2.4.1",
+                "chalk": "^2.4.2",
                 "source-map": "^0.6.1",
-                "supports-color": "^5.4.0"
+                "supports-color": "^6.1.0"
             },
             "dependencies": {
                 "ansi-styles": {
@@ -4500,14 +4519,25 @@
                     }
                 },
                 "chalk": {
-                    "version": "2.4.1",
-                    "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.1.tgz",
-                    "integrity": "sha512-ObN6h1v2fTJSmUXoS3nMQ92LbDK9be4TV+6G+omQlGJFdcUX5heKi1LZ1YnRMIgwTLEj3E24bT6tYni50rlCfQ==",
+                    "version": "2.4.2",
+                    "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+                    "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
                     "dev": true,
                     "requires": {
                         "ansi-styles": "^3.2.1",
                         "escape-string-regexp": "^1.0.5",
                         "supports-color": "^5.3.0"
+                    },
+                    "dependencies": {
+                        "supports-color": {
+                            "version": "5.5.0",
+                            "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+                            "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+                            "dev": true,
+                            "requires": {
+                                "has-flag": "^3.0.0"
+                            }
+                        }
                     }
                 },
                 "source-map": {
@@ -4517,9 +4547,9 @@
                     "dev": true
                 },
                 "supports-color": {
-                    "version": "5.5.0",
-                    "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
-                    "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+                    "version": "6.1.0",
+                    "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-6.1.0.tgz",
+                    "integrity": "sha512-qe1jfm1Mg7Nq/NSh6XE24gPXROEVsWHxC1LIx//XNlD9iw7YZQGjZNjYN7xGaEG6iKdA8EtNFW6R0gjnVXp+wQ==",
                     "dev": true,
                     "requires": {
                         "has-flag": "^3.0.0"