feat: add github badge - #182

feat: add github badge#182

aelf-lxy wants to merge 4 commits into

AElfProject:feature/test-chain-util-lxyAElfProject/aelf-web3.js:feature/test-chain-util-lxyfrom

aelf-lxy:feature/test-chain-utilaelf-lxy/aelf-web3.js:feature/test-chain-utilCopy head branch name to clipboard