Provide warehouse api endpoint

[navish]

Possible properties

name: String,
geometry: Point,
location: Feature,
keeper: Party,
owner: Party,
capacity: String e.g 23 cbm

Tasks

• should define warehouse name
• should define warehouse location
• should define warehouse owner
• should define warehouse dimensions
• should define warehouse type
• should define warehouse keeper
• should allow geo-searching(near, within etc) for warehouses