[ADD] estate: initial module with property management

[pamd-odoo]

Introduce a new module estate for real estate management as part of the Server Framework 101 onboarding exercise.

The module includes:

• Models: estate.property, estate.property.type
• Views: form, tree, and search for both models
• Menus: "Advertisement > Properties" and "Settings > Property Types"
• Access rights for the new models

This commit sets the foundation for further training tasks

[robodoo]