organize fields, expected cost frontend, documentation, migrations

README.md

contracts/admin.py

...ions/0006_alter_contract_issues_alter_contract_summary.py

...rations/0007_alter_contractee_address_country_and_more.py

contracts/models.py

contracts/templates/contracts/view_contract.html

env.example

registry/settings/base.py

requirements/base.txt

shared/templates/shared/includes/base.html