[IMP] estate: add list view and form view and improve syntax

In estate module add basic views list view and form view
Also add filter for new or offer received stage
improve syntax in estate_property model

Author: utpat-odoo

estate/models/estate_property.py

@@ -18,7 +18,22 @@ class EstateProperty(models.Model):
     garage = fields.Boolean()
     garden = fields.Boolean()
     garden_area = fields.Integer(string="Garden Area (sqm)")
-    garden_orientation=fields.Selection(string='Garden Orientation',selection=[('north', 'North'), ('south', 'South'), ('east','East'), ('west','West')])
+    garden_orientation=fields.Selection(
+        string='Garden Orientation',
+        selection=[('north', 'North'),
+        ('south', 'South'), 
+        ('east','East'), 
+        ('west','West')
+        ]
+    )
     active=fields.Boolean(default=False)
-    state=fields.Selection(selection=[('new','New'),('offer_received','Offer Received'),('offer_accepted','Offer Accepted'),('sold','Sold'),('cancelled','Cancelled')])
+    state=fields.Selection(
+        selection=[
+            ('new','New'),
+            ('offer_received','Offer Received'),
+            ('offer_accepted','Offer Accepted'),
+            ('sold','Sold'),
+            ('cancelled','Cancelled')
+        ]
+    )