i18n + FR

angular.json

@@ -13,13 +13,21 @@
       "root": "",
       "sourceRoot": "src",
       "prefix": "app",
+      "i18n": {
+        "sourceLocale": "en-US",
+        "locales": {
+          "fr": "src/locale/messages.fr.xlf"
+        }
+      },
       "architect": {
         "build": {
           "builder": "@angular-devkit/build-angular:browser",
           "options": {
+            "localize": true,
             "aot": true,
             "outputPath": "dist",
             "index": "src/index.html",
+            "i18nMissingTranslation": "warning",
             "main": "src/main.ts",
             "polyfills": "src/polyfills.ts",
             "tsConfig": "tsconfig.app.json",