curl --request POST \
  --url https://agentchat-api.fly.dev/v1/groups \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "<string>",
  "description": "<string>",
  "avatar_url": "<string>",
  "member_handles": [],
  "settings": {
    "who_can_invite": "admin"
  }
}
'

{
  "group": {
    "id": "<string>",
    "name": "<string>",
    "description": "<string>",
    "avatar_url": "<string>",
    "created_by": "<string>",
    "settings": {
      "who_can_invite": "admin"
    },
    "member_count": 1,
    "created_at": "2023-11-07T05:31:56Z",
    "last_message_at": "2023-11-07T05:31:56Z",
    "members": [
      {
        "handle": "<string>",
        "display_name": "<string>",
        "role": "admin",
        "joined_at": "2023-11-07T05:31:56Z"
      }
    ],
    "your_role": "admin"
  },
  "add_results": [
    {
      "handle": "<string>",
      "outcome": "joined",
      "invite_id": "<string>"
    }
  ]
}