move api url to config

src/auth.js

 import axios from 'axios';
 import * as localStorage from './localStorage';
+import { apiUrl } from './config.json';
 
 // Object which stores the current login-state
 const APISession = {
@@ -8,7 +9,7 @@ const APISession = {
 };
 
 const amivapi = axios.create({
-  baseURL: 'https://amiv-api.ethz.ch/',
+  baseURL: apiUrl,
   timeout: 10000,
   headers: { 'Content-Type': 'application/json' },
 });
@@ -59,7 +60,7 @@ export function getSession() {
     checkAuthenticated().then((authenticated) => {
       if (authenticated) {
         const authenticatedSession = axios.create({
-          baseURL: 'https://amiv-api.ethz.ch/',
+          baseURL: apiUrl,
           timeout: 10000,
           headers: {
             'Content-Type': 'application/json',

src/config.json

 {
+    "apiUrl": "https://amiv-api.ethz.ch/",
     "Users": {
         "keyDescriptors": {
             "legi": "Legi Number",

src/views/editView.js

 import Ajv from 'ajv';
 import { ItemView } from './itemView';
 import { getSession } from '../auth';
+import { apiUrl } from '../config.json';
 
 const m = require('mithril');
 
@@ -53,7 +54,7 @@ export class EditView extends ItemView {
       });
     }
     // load schema
-    m.request('http://amiv-api.ethz.ch/docs/api-docs').then((schema) => {
+    m.request(`${apiUrl}docs/api-docs`).then((schema) => {
       const objectSchema = schema.definitions[
         objectNameForResource[this.resource]];
       this.ajv.addSchema(objectSchema, 'schema');