Update list of config laguages and fix cheker

Author: xpmn

src/manifest.json

@@ -1,7 +1,7 @@
 {
   "manifest_version": 2,
   "name": "To DeepL",
-  "version": "0.4.0",
+  "version": "0.4.1",
   "description": "Translate selected text in new tab with DeepL",
   "homepage_url": "https://github.com/rewkha/firefox-to-deepl",
   "icons": {

src/options/options.html

@@ -40,7 +40,6 @@
         <option value="sl">Slovenski (Slovenian)</option>
         <option value="sv">Svenska</option>
         <option value="zh">简体中文 (simplified Chinese)</option>
-
       </select>
     </label>
   </div>

src/options/options.js

@@ -7,7 +7,7 @@ function renderOptions() {
 
 document.getElementById('defaultLang').addEventListener('click', (e) => {
   console.log(e.target.value);
-  if (['en', 'de', 'fr', 'es', 'ja', 'pt-PT', 'pt-BR', 'it', 'nl', 'pl', 'ru', 'zh'].indexOf(e.target.value) !== -1) {
+  if (['en', 'bg', 'da', 'de', 'es', 'et', 'el', 'fr', 'fi', 'hu', 'it', 'ja', 'lv,lt', 'lt', 'nl', 'pl', 'pt-PT', 'pt-BR', 'ro', 'ru', 'sk', 'sl', 'sv', 'zh'].indexOf(e.target.value) !== -1) {
     browser.storage.local.set({
       settings: {
         defaultLang: e.target.value