create people and family objects and link them via the gramps web api

Steps

1. Authenticate with POST /api/token/ sending username and password to receive a JWT access token plus a refresh token; the access token expires quickly (default ~15 minutes)
2. Send the token as a standard Authorization: Bearer <token> header on all subsequent requests to your self-hosted Gramps Web instance
3. Create a person with POST /api/people/; retrieve, update, or delete an existing person via GET/PUT/DELETE /api/people/<handle>, and look up people by Gramps ID with GET /api/people/?gramps_id=<id>
4. Create a family with POST /api/families/; manage it via GET/PUT/DELETE /api/families/<handle>
5. Link a person to a family by fetching the family's internal handle, then PUT /api/people/<person_handle> with the family handle added to the person's parent_family_list (as a child) or family_list (as a spouse/parent) reference array
6. Check exact request/response schemas on your own instance's built-in Swagger UI at /api/swagger-ui, since the OpenAPI spec is auto-generated per deployed version