implements bed assignment feature

[Kasulejoseph]

Prerequisite

• An active patient in the queue (patient should have an encounter)

Completed Tasks

• Allow ward managers to view patients in the queue
• Allow ward managers to assign bed to a patient
• Ward manager can transfer a patient from one bed to another within the same ward
• Ward manager can transfer a patient from one bed to another in different ward locations

// Pending tasks

• The bed un-assignment or discharging a patient is still pending, waiting for an endpoint from the back-end team

[jabahum]

LGTM