Issue #40 Use axios-fetch instead of node-fetch for graphql

src/utils/graphql.js

@@ -1,13 +1,14 @@
 // import { createProvider } from './vue-apollo'
 import ApolloClient from 'apollo-boost'
-import fetch from 'node-fetch'
+import axios from 'axios';
+import { buildAxiosFetch } from 'axios-fetch'
 
 // GraphQL
 const apolloClient = new ApolloClient({
   // You should use an absolute URL here
   uri: "https://api.graphcms.com/simple/v1/awesomeTalksClone",
   // we must define fetch, as otherwise running unit tests it would fail as there is no global fetch variable
-  fetch: fetch
+  fetch: buildAxiosFetch(axios)
 });
 
 export default apolloClient