Added basic logging

.eslintrc.js

 module.exports = {
-    "extends": "airbnb-base",
-    "env": {
-        "browser": true,
-        "node": true
+    'extends': 'airbnb-base',
+    'env': {
+        'browser': true,
+        'node': true
     },
-    "rules": {
-        "no-multi-str": 0,
-        "no-underscore-dangle": 0,
+    'rules': {
+        'no-multi-str': 0,
+        'no-underscore-dangle': 0,
+        'no-console': 0,
     },
 };
\ No newline at end of file

src/config.js

+
+const Config = {
+  api_url: 'https://amiv-api.ethz.ch',
+  verbose: true,
+};
+
+module.exports = Config;

src/log.js

+const config = require('./config.js');
+
+const log = {
+  log(message) {
+    if (config.verbose === true) console.log(message);
+  },
+};
+
+module.exports = log;