[ADD] estate: create a new module for training

[romo-odoo]

The basic structure of a module / app is created. It includes data storage and minimal display before further improvement.

[aboo-odoo]

Ping

[romo-odoo]

Ping

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[aboo-odoo]

Actually, since your task to ADD the estate. It might be a good idea to squash all your commit into a singe one [ADD] estate: blablabla

[aboo-odoo]

Last thing, it would have been great to divide the work you've done on the different modules (estate, awesome_kanban, etc.), one per commit for example :+1: