Add Basque language ('eu') (#7479)

* Add Basque language

* Contributor's changes

src/locale/languages.ts

@@ -13,6 +13,7 @@ export enum AppLanguage {
   el = 'el',
   en_GB = 'en-GB',
   es = 'es',
+  eu = 'eu',
   fi = 'fi',
   fr = 'fr',
   ga = 'ga',
@@ -53,6 +54,7 @@ export const APP_LANGUAGES: AppLanguageConfig[] = [
   {code2: AppLanguage.el, name: 'Ελληνικά – Greek'},
   {code2: AppLanguage.en_GB, name: 'English (UK)'},
   {code2: AppLanguage.es, name: 'Español – Spanish'},
+  {code2: AppLanguage.eu, name: 'Euskera – Basque'},
   {code2: AppLanguage.fi, name: 'Suomi – Finnish'},
   {code2: AppLanguage.fr, name: 'Français – French'},
   {code2: AppLanguage.ga, name: 'Gaeilge – Irish'},