Add app language: Czech (cs) (#10994)

src/locale/languages.ts

@@ -9,6 +9,7 @@ export enum AppLanguage {
   an = 'an',
   ast = 'ast',
   ca = 'ca',
+  cs = 'cs',
   cy = 'cy',
   da = 'da',
   de = 'de',
@@ -58,6 +59,7 @@ export const APP_LANGUAGES: AppLanguageConfig[] = [
   {code2: AppLanguage.an, name: 'aragonés – Aragonese'},
   {code2: AppLanguage.ast, name: 'asturianu – Asturian'},
   {code2: AppLanguage.ca, name: 'català – Catalan'},
+  {code2: AppLanguage.cs, name: 'čeština – Czech'},
   {code2: AppLanguage.cy, name: 'Cymraeg – Welsh'},
   {code2: AppLanguage.da, name: 'dansk – Danish'},
   {code2: AppLanguage.de, name: 'Deutsch – German'},