[ADD] Estate Module (Python Framework Training)

[OmarKhalil2001]

[ADD] Implementation for Estate Module of Python Framework

Description:

1. Chapter 1: Introduction
2. Chapter 2: Added Module Estate. Added Manifest and Init python files. Defined the module as an app
3. Chapter 3: Introduced building model to Estate module
4. Chapter 4: Added a new access rules to the Estate modules allowing users to read, write, create, but no delete.
5. Chapter 5: Added basic GUI of the Estate Module

[robodoo]

[barracudapps]

Some comments here and there. Can you also please review your PR title and description following our guidelines (https://www.odoo.com/documentation/19.0/contributing/development/git_guidelines.html)?
A clear commit message is really important to describe what you did and why you did it.