refact: use environment files for translations

- add each language in a separate environment file in order to use config global

Reviewed-by: acapai

Author: andriacap

frontend/angular.json

@@ -79,7 +79,7 @@
                             "fileReplacements": [
                                 {
                                     "replace": "src/environments/environment.ts",
-                                    "with": "src/environments/environment.prod.ts"
+                                    "with": "src/environments/environment.fr.ts"
                                 }
                             ],
                             "baseHref": "/fr/",
@@ -103,7 +103,7 @@
                             "fileReplacements": [
                                 {
                                     "replace": "src/environments/environment.ts",
-                                    "with": "src/environments/environment.prod.ts"
+                                    "with": "src/environments/environment.en.ts"
                                 }
                             ],
                             "baseHref": "/en/",
@@ -126,7 +126,7 @@
                             "fileReplacements": [
                                 {
                                     "replace": "src/environments/environment.ts",
-                                    "with": "src/environments/environment.prod.ts"
+                                    "with": "src/environments/environment.de.ts"
                                 }
                             ],
                             "baseHref": "/de/",

frontend/src/app/core/services/language.service.ts

@@ -1,13 +1,12 @@
 import { Injectable } from '@angular/core';
-
+import { environment } from '../../../environments/environment';
 @Injectable({
   providedIn: 'root'
 })
 export class LanguageService {
 
-  // Supported locales, adjust as needed
-  private supportedLocales = ['fr', 'en', 'de'];
-  private defaultLocale = 'fr';
+  private supportedLocales = environment.supportedLocales;
+  private defaultLocale   = environment.locale;
 
 
   getCurrentLocale(): string {

frontend/src/environments/environment.de.ts

@@ -0,0 +1,6 @@
+
+export const environment = {
+  production: true,
+  locale: 'de',
+  supportedLocales: ['fr','en','de']
+};

frontend/src/environments/environment.en.ts

@@ -0,0 +1,6 @@
+
+export const environment = {
+  production: true,
+  locale: 'en',
+  supportedLocales: ['fr','en','de']
+};

frontend/src/environments/environment.fr.ts

@@ -0,0 +1,6 @@
+
+export const environment = {
+  production: true,
+  locale: 'fr',
+  supportedLocales: ['fr','en','de']
+};

frontend/src/environments/environment.ts

@@ -4,6 +4,8 @@
 
 export const environment = {
     production: false,
+    locale: 'fr',
+    supportedLocales: ['fr','en','de']
 };
 
 /*