Added Galician language localization (#6463)

* Update languages.ts

added galician language

* Update i18n.web.ts

added import of galician translations file

* Update i18n.ts

added galician language

* Update helpers.ts

added galician to sanitizeLanguage function

* galician messages

First commit

* Second commit

* Third commit

* fourth commit

* fifth commit

* Update lingui.config.js

change to make available Galician language

* galician translation by Carlos Vieito and Alexandre Espinosa

---------

Co-authored-by: Alexandre Espinosa Menor <aemenor@gmail.com>

src/locale/languages.ts

@@ -13,6 +13,7 @@ export enum AppLanguage {
   fi = 'fi',
   fr = 'fr',
   ga = 'ga',
+  gl = 'gl',
   hi = 'hi',
   hu = 'hu',
   id = 'id',
@@ -45,6 +46,7 @@ export const APP_LANGUAGES: AppLanguageConfig[] = [
   {code2: AppLanguage.fi, name: 'Suomi – Finnish'},
   {code2: AppLanguage.fr, name: 'Français – French'},
   {code2: AppLanguage.ga, name: 'Gaeilge – Irish'},
+  {code2: AppLanguage.gl, name: 'Galego - Galician'},
   {code2: AppLanguage.hi, name: 'हिंदी – Hindi'},
   {code2: AppLanguage.hu, name: 'magyar – Hungarian'},
   {code2: AppLanguage.id, name: 'Bahasa Indonesia – Indonesian'},