Add entity RealEstate

[yankedev]

Each User can register n RealEstate:

• *Type: House, apartment, garage, etc
• *Name
• *Geolocation
• *Address
• Fotos
• Administrator email
• KnownServiceProviders: {"electricalApplicance": "FUST"; "electricalApplicance.washingmachine": "Miele"}

Administrators: can change the assigned ServiceProviders, if a ServiceProvider is not present for the type of ServiceRequest being asked, the request is visible to all ServiceProviders, otherwise only the mentioned one will be contacted.

[yankedev]

when the Customer opens a new Request, while inserting the address a lookup on his list of registered RealEstates appear as autocompletition (by name, street or city)