Add HOLDR token metadata

tokens/holdr.json

@@ -0,0 +1,11 @@
+{
+  "ethereum_address": "",
+  "near_address": "",
+  "aurora_address": "0x1aaee8F00D02fcdb10cF1F0caB651dC83318c7AA",
+  "name": "Holdr Governance Token",
+  "symbol": "HLDR",
+  "decimals": 18,
+  "icon": "data:image/svg+xml,%3Csvg width='400' height='400' viewBox='0 0 400 400' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cmask id='mask0_1853_373' style='mask-type:alpha' maskUnits='userSpaceOnUse' x='54' y='54' width='292' height='292'%3E%3Ccircle cx='200' cy='200' r='126' stroke='black' stroke-width='40'/%3E%3C/mask%3E%3Cg mask='url(%23mask0_1853_373)'%3E%3Crect x='-153.542' y='-386.971' width='707.083' height='1049.94' fill='%23FAFAFA'/%3E%3Cpath d='M624.483 237.737C593.538 641.714 479.396 932.202 369.541 886.56C259.687 840.918 195.718 476.431 226.664 72.4541C257.61 -331.522 371.751 -622.01 481.606 -576.369C591.461 -530.727 655.429 -166.239 624.483 237.737Z' fill='%235F5DF9'/%3E%3Cpath d='M238.82 215.358C269.096 385.442 218.727 588.751 126.318 669.462C33.9089 750.174 -65.5469 677.723 -95.8228 507.64C-126.099 337.556 -75.7299 134.247 16.6792 53.5356C109.088 -27.1757 208.544 45.2746 238.82 215.358Z' fill='%23F3D37E'/%3E%3Cpath d='M199.959 219.806C81.7142 236.159 -18.1891 117.853 -23.1818 -44.4378C-28.1745 -206.728 63.6341 -351.547 181.878 -367.9C300.123 -384.253 400.026 -265.947 405.019 -103.656C410.011 58.6348 318.203 203.454 199.959 219.806Z' fill='%23D478D8'/%3E%3Cpath d='M193.05 11.4209C166.096 216.089 68.5588 343.538 -24.8052 296.085C-118.169 248.633 -172.005 44.2478 -145.05 -160.421C-118.096 -365.089 -20.5588 -492.538 72.8052 -445.085C166.169 -397.633 220.005 -193.248 193.05 11.4209Z' fill='%23F04D42'/%3E%3C/g%3E%3C/svg%3E%0A",
+  "reference": "",
+  "reference_hash": ""
+}