feat(core): implement translation

src/app/app.config.ts

@@ -1,4 +1,4 @@
-import { ApplicationConfig, LOCALE_ID, provideBrowserGlobalErrorListeners, provideZoneChangeDetection } from '@angular/core';
+import { ApplicationConfig, LOCALE_ID, provideAppInitializer, provideBrowserGlobalErrorListeners, provideZoneChangeDetection } from '@angular/core';
 import { provideRouter, withComponentInputBinding } from '@angular/router';
 
 import { providePrimeNG } from 'primeng/config';
@@ -6,9 +6,14 @@ import { Theme } from '../../public/theme/theme';
 
 import { routes } from './app.routes';
 import { registerLocaleData } from '@angular/common';
-import localeDeAt from '@angular/common/locales/de-AT';
+import localeDeAt from '@angular/common/locales/de';
 import { germanTranslation } from './core/config/translations';
 
+import {provideTranslateService} from "@ngx-translate/core";
+import {provideTranslateHttpLoader} from "@ngx-translate/http-loader";
+import { provideHttpClient } from '@angular/common/http';
+import { initializeTranslations } from './core/config/translation-init';
+
 registerLocaleData(localeDeAt);
 
 export const appConfig: ApplicationConfig = {
@@ -16,6 +21,7 @@ export const appConfig: ApplicationConfig = {
     provideBrowserGlobalErrorListeners(),
     provideZoneChangeDetection({ eventCoalescing: true }),
     provideRouter(routes, withComponentInputBinding()),
+    provideHttpClient(),
     { provide: LOCALE_ID, useValue: 'de-AT' },
     providePrimeNG({
       theme: {
@@ -31,5 +37,12 @@ export const appConfig: ApplicationConfig = {
       },
       translation: germanTranslation, // TODO: dynamic - selected language
     }),
+    provideTranslateService({
+      loader: provideTranslateHttpLoader({
+        prefix: 'i18n/',
+        suffix: '.json'
+      }),
+    }),
+    provideAppInitializer(initializeTranslations),
   ],
 };