[ADD] estate: initialize estate module with basic fields, models and views

- Added the estate property model with essential fields
- Created basic views for the estate property

Author: mattosgood

estate/__init__.py

@@ -0,0 +1,10 @@
+{
+    'name': "Real Estate",
+    'version': '1.0',
+    'depends': ['base'],
+    'author': "Author Name",
+    'category': 'Category',
+    'description': """
+    Description text
+    """
+}