Added i18n translations

src/app/modules/panel/panel.component.html

@@ -7,7 +7,14 @@
     <span>{{ time }}</span>
   </div>
   <div class="right-menu">
-    <span class="lang">en</span>
+    <span
+      class="lang cursor-pointer"
+      (click)="toggleModal()"
+      (keydown)="toggleModal()"
+      tabindex="0"
+      #lang_btn
+      >{{ getLang() }}</span
+    >
     <a href="https://git.nwaifu.su/neuro_llc/NwaifuWeb">
       <fa-icon [icon]="faGithub" class="sourcecode-icon" title="Source code"></fa-icon>
     </a>
@@ -15,3 +22,8 @@
     <fa-icon [icon]="faPower"></fa-icon>
   </div>
 </div>
+<div class="lang-choose" #lang_modal>
+  <p (click)="useLang('en')" (keypress)="useLang('en')" tabindex="0"><b>en</b> - English</p>
+  <p (click)="useLang('ru')" (keypress)="useLang('ru')" tabindex="0"><b>ru</b> - Русский</p>
+  <p (click)="useLang('ja')" (keypress)="useLang('ja')" tabindex="0"><b>ja</b> - 日本語</p>
+</div>