The default token list maintained by iZUMi.finance.
To request that we add a token to the list, file an issue.
1、run npm run-script build_symbolsDev to merge symbols in ./src/dev/symbols/
2、run npm run-script build_tokensDev to merge tokens in ./src/dev/tokens/ and output ./build/tokenListDev.josn
1、run npm run-script build_symbols to merge symbols in ./src/prod/symbols/
2、run npm run-script build_tokens to merge tokens in ./src/prod/tokens/ and output ./build/tokenList.json