[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/models/estate_property.py

@@ -1,5 +1,6 @@
 from odoo import models, fields
 
+
 class EstateProperty(models.Model):
     _name = 'estate.property'
     _description = 'Real Estate Property'