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

Kickstart development of a new real estate property management module by creating init and manifest file
Server Framework 101 Chapter 2

Author: rhri-odoo

estate/__init__.py

@@ -0,0 +1,8 @@
+{
+    'name': 'Real Estate',
+    'depends': [
+        'base',
+    ],
+    'application': True,
+    'license': 'AGPL-3'
+}