BACnet connector persist data into Edge datapoint on demand

[zero88]

BACnet connector persist data into edge data-point on demand in cases:

• Discover and specific which object to persist
• In startup connector: recalculate actual network and device data

To achieve that, need to:

• Able to discover remote eventbus address, it is datapoint address in this case depends on which BACnet object will be persisted such as: network, device, object
• Split :edge:datapoint service to :edge:datapoint:model project to able reuse object model
• CRUD BACnet object by datapoint endpoint

DOD
Must satisfy 2 workflows in case of manipulate BACnet object:

• User --> CUD by REST API -- --> Edge Gateway -- --> Edge Data Point --| --> Edge BACnet --> local database --> Response
• User --> READ by REST API -- --> Edge Gateway -- --> Edge Data Point --> local database --> Response

[zero88]

Sub of #192 #155