Add delete interface

	modified:   api/domains.py
	modified:   api/router.py
	modified:   db/api.py
	modified:   db/sqlalchemy/api.py
Add deleted column

	modified:   db/sqlalchemy/models.py
Add edit interface

	modified:   api/domains.py
	modified:   api/router.py
	modified:   db/api.py
	modified:   db/sqlalchemy/api.py