fixes

Author: Hirobreak

electron_app/src/lang/index.js

@@ -1,5 +1,8 @@
 const en = require('./en.json');
 const es = require('./es.json');
+const de = require('./de.json');
+const fr = require('./fr.json');
+const ru = require('./ru.json');
 const mySettings = require('./../Settings');
 
 const languageSettings = {
@@ -16,6 +19,18 @@ const languageSettings = {
         this.currentLanguage = 'es';
         this.strings = es;
         return;
+      case 'de':
+        this.currentLanguage = 'de';
+        this.strings = de;
+        return;
+      case 'fr':
+        this.currentLanguage = 'fr';
+        this.strings = fr;
+        return;
+      case 'ru':
+        this.currentLanguage = 'ru';
+        this.strings = ru;
+        return;
       default:
         this.currentLanguage = 'en';
         this.strings = en;