Add language: Frisian (#8214)

* Update app.config.js

* Update lingui.config.js

* Update dates.ts

* Update helpers.ts

* Update i18n.ts

* Update i18n.web.ts

* Update languages.ts

* Create messages.po

src/locale/languages.ts

@@ -19,6 +19,7 @@ export enum AppLanguage {
   eu = 'eu',
   fi = 'fi',
   fr = 'fr',
+  fy = 'fy',
   ga = 'ga',
   gd = 'gd',
   gl = 'gl',
@@ -66,6 +67,7 @@ export const APP_LANGUAGES: AppLanguageConfig[] = [
   {code2: AppLanguage.eu, name: 'Euskera – Basque'},
   {code2: AppLanguage.fi, name: 'Suomi – Finnish'},
   {code2: AppLanguage.fr, name: 'Français – French'},
+  {code2: AppLanguage.fy, name: 'Frysk – Frisian'},
   {code2: AppLanguage.ga, name: 'Gaeilge – Irish'},
   {code2: AppLanguage.gd, name: 'Gàidhlig – Scottish Gaelic'},
   {code2: AppLanguage.gl, name: 'Galego – Galician'},