Adding Gitter badge
Adding Gitter badge

renzhaozhao/axios,mzabriskie/axios,mzabriskie/axios,axios/axios,mzabriskie/axios,akshatnitd/axios,nickuraltsev/axios,akshatnitd/axios,renzhaozhao/axios,akshatnitd/axios,axios/axios,renzhaozhao/axios,nickuraltsev/axios,axios/axios,nickuraltsev/axios