Integrate local boundary for altering GeoRepo - Model

[meomancer]

Child of #216

Currently we already have Reference Layer View and entity on our database
We can reuse this as our local database

TODO:

• Add geometry field on entity model
• Add is_remote on view model to indicate if the data is from georepo or local data
• Add new model Levels, to have level information with number and name and link it to View