[ADD] estate, estate_account, awesome_owl, awesome_dashboard: tutorial modules

[kame-odoo]

Estate: For managing real estate properties, including property creation, buying/selling workflow, and invoice generation.

Awesome_dashboard: A custom dashboard module to display analytical or business data in a user-friendly interface.

Awesome_owl: A learning module focused on OWL, used to build and test components. Implemented OWL components, explored life cycle hooks, and practiced building interactive elements.

[robodoo]