Put commit hash and build time on admin page

src/routes/admin/index.js

@@ -1,6 +1,7 @@
 import React from 'react';
 import Layout from '../../components/Layout';
 import fetchQL from '../../core/fetchQL';
+import fetch from '../../core/fetch';
 import { starters, mains } from '../../config';
 
 const title = 'Admin';
@@ -11,7 +12,14 @@ export default {
 
   async action() {
     const resp = await fetchQL('{getAllPersons{key,firstname,lastname,email,password,completed,starter,main}}');
+    const configResp = await fetch('/config.json', {
+      headers: {
+        Accept: 'application/json',
+        'Content-Type': 'application/json',
+      },
+    });
     const { data } = await resp.json();
+    const config = await configResp.json();
     const people = data.getAllPersons || [];
 
     const food = {
@@ -37,6 +45,7 @@ export default {
         people={people}
         starters={food.starters}
         mains={food.mains}
+        build={config.build}
       /></Layout>,
     };
   },