[EC-154] [BEEEP] Add token for localesDirectory (#783)

* Add token for localesDirectory

* Add token for SYSTEM_LANGUAGE

angular/src/services/jslib-services.module.ts

@@ -91,6 +91,8 @@ export const LOGOUT_CALLBACK = new InjectionToken<(expired: boolean, userId?: st
 );
 export const LOCKED_CALLBACK = new InjectionToken<() => void>("LOCKED_CALLBACK");
 export const CLIENT_TYPE = new InjectionToken<boolean>("CLIENT_TYPE");
+export const LOCALES_DIRECTORY = new InjectionToken<string>("LOCALES_DIRECTORY");
+export const SYSTEM_LANGUAGE = new InjectionToken<string>("SYSTEM_LANGUAGE");
 
 @NgModule({
   declarations: [],
@@ -106,6 +108,15 @@ export const CLIENT_TYPE = new InjectionToken<boolean>("CLIENT_TYPE");
       useFactory: (i18nService: I18nServiceAbstraction) => i18nService.translationLocale,
       deps: [I18nServiceAbstraction],
     },
+    {
+      provide: LOCALES_DIRECTORY,
+      useValue: "./locales",
+    },
+    {
+      provide: SYSTEM_LANGUAGE,
+      useFactory: (window: Window) => window.navigator.language,
+      deps: [WINDOW],
+    },
     {
       provide: STATE_FACTORY,
       useValue: new StateFactory(GlobalState, Account),