First round of internationlization

front/app/angular.json

@@ -9,10 +9,20 @@
       "root": "",
       "sourceRoot": "src",
       "prefix": "app",
+      "i18n": {
+        "sourceLocale": "en-US",
+        "locales": {
+          "fr": {
+            "translation": "src/locale/messages.fr.xlf"
+          }
+        }
+      },
       "architect": {
         "build": {
           "builder": "@angular-devkit/build-angular:browser",
           "options": {
+            "localize": ["fr"],
+            "i18nMissingTranslation": "warning",
             "outputPath": "dist/app",
             "index": "src/index.html",
             "main": "src/main.ts",
@@ -53,6 +63,9 @@
               "extractLicenses": false,
               "sourceMap": true,
               "namedChunks": true
+            },
+            "fr": {
+              "localize": ["fr"]
             }
           },
           "defaultConfiguration": "production"
@@ -65,14 +78,22 @@
             },
             "development": {
               "browserTarget": "app:build:development"
+            },
+            "fr": {
+              "browserTarget": "App:build:fr"
             }
           },
           "defaultConfiguration": "development"
         },
         "extract-i18n": {
-          "builder": "@angular-devkit/build-angular:extract-i18n",
+          "builder": "ng-extract-i18n-merge:ng-extract-i18n-merge",
           "options": {
-            "browserTarget": "app:build"
+            "browserTarget": "app:build",
+            "format": "xlf2",
+            "outputPath": "src/locale",
+            "targetFiles": [
+              "messages.fr.xlf"
+            ]
           }
         },
         "test": {