[IPH] Household Registration

[utkarshavni]

• [x] Create a subject type for Household.
• [x] Registration form requirements: https://docs.google.com/spreadsheets/d/1GX2ypTkZQnzUHMFuE8haULUZ61PPhyB2PU6HFVdZwqg/edit#gid=26292124