Set up localization with feature flag control (#9649)

Refers #8128 

Changes Introduced:
- Added i18n configuration.
- Added a feature flag for localization.
- Enabled language switching based on the flag.

---------

Co-authored-by: Félix Malfait <felix@twenty.com>

packages/twenty-front/project.json

@@ -153,6 +153,20 @@
       "configurations": {
         "ci": {}
       }
+    },
+    "lingui:extract": {
+      "executor": "nx:run-commands",
+      "options": {
+        "cwd": "{projectRoot}",
+        "command": "lingui extract"
+      }
+    },
+    "lingui:compile": {
+      "executor": "nx:run-commands",
+      "options": {
+        "cwd": "{projectRoot}",
+        "command": "lingui compile --typescript"
+      }
     }
   }
 }