[ADD] estate: Added new real estate property management module

The new module includes:
- Model: estate.property with fields such as name, description, selling_price,
availability_date, bedrooms, state, and active.
- Views: Tree and form views for managing estate properties.
- Security: Access rights defined in ir.model.access.csv.

estate/__manifest__.py

@@ -12,5 +12,5 @@
     ],
     'installable': True,
     'application': True,
-    'license':'AGPL-3'
+    'license': 'AGPL-3'
 }