[ADD] estate: real estate module

[tshe-odoo]

• Created an estate application for Odoo
• Added access rights in ir.model.access.csv for estate.property
• Created XML data files for actions and menus in the estate module
• Defined three-level menu structure for property management
• Implemented default values and field attributes for estate.property
• Defined list and form views for different models and added some filters
• Added active and state fields with predefined behaviors
• Defined Relations between models

[robodoo]