* fix(key_management_endpoints.py): fix user-membership check when creating team key
* docs: add deprecation notice on original `/v1/messages` endpoint + add better swagger tags on pass-through endpoints
* fix(gemini/): fix image_url handling for gemini
Fixes https://github.com/BerriAI/litellm/issues/6897
* fix(teams.tsx): fix member add when role is 'user'
* fix(team_endpoints.py): /team/member_add
fix adding several new members to team
* test(test_vertex.py): remove redundant test
* test(test_proxy_server.py): fix team member add tests
