List-List members

Number of APIs: 4

1. User memberships GET https://api.twitter.com/2/users/:id/list_memberships

2. Add a member POST https://api.twitter.com/2/lists/:id/members

3. Remove a member DELETE https://api.twitter.com/2/lists/:id/members/:user_id

4. Members lookup GET https://api.twitter.com/2/lists/:id/members