add chai (#526)

src/contexts/Tokens.js

@@ -77,6 +77,12 @@ const INITIAL_TOKENS_CONTEXT = {
       [DECIMALS]: 8,
       [EXCHANGE_ADDRESS]: '0x45A2FDfED7F7a2c791fb1bdF6075b83faD821ddE'
     },
+    '0x06AF07097C9Eeb7fD685c692751D5C66dB49c215': {
+      [NAME]: 'Chai',
+      [SYMBOL]: 'CHAI',
+      [DECIMALS]: 18,
+      [EXCHANGE_ADDRESS]: '0x6C3942B383bc3d0efd3F36eFa1CBE7C8E12C8A2B'
+    },
     '0x41e5560054824eA6B0732E656E3Ad64E20e94E45': {
       [NAME]: 'Civic',
       [SYMBOL]: 'CVC',