Assign deliverable to tecker for a specific batch

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Roles allowed:
Administrator

As an administrator I can assign a deliverable to a group of teckers so they can later see the assigned deliverables and mark them as done or in progress

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Create an endpoint:
PUT /api/deliverable/{deliverableID}/teckers
BODY
[
"teckerId1","teckerId2", "teckerId3"
]

Validations:

• All teckers must have the role TECKER assigned

• deliverable must exist

• teckers and deliverable must be assigned to the same batch

• If a tecker does not exist, ignore it and proceed
  Return on success: 202 - Accepted
  Return on failure: 409 - Conflict (Issues must be logged at WARN level)

• The list contains the complete list of teckers assigned to the deliverable.

• Empty list is allowed meaning to remove all assignments from this deliverable to teckers