Add Organization Member

curl --request POST \
  --url https://api.wacht.dev/organizations/{organization_id}/members \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "user_id": "<string>",
  "role_id": "<string>"
}'

{
  "id": "<string>",
  "user_id": "<string>",
  "organization_id": "<string>",
  "role_id": "<string>",
  "joined_at": "2023-11-07T05:31:56Z",
  "user": {
    "id": "1234567890123456",
    "email": "user@example.com",
    "username": "johndoe",
    "first_name": "John",
    "last_name": "Doe",
    "created_at": "2024-01-01T12:00:00Z",
    "updated_at": "2024-01-01T12:00:00Z",
    "is_active": true,
    "emails": [
      {
        "id": "<string>",
        "email": "jsmith@example.com",
        "is_primary": true,
        "is_verified": true,
        "verified_at": "2023-11-07T05:31:56Z"
      }
    ],
    "phones": [
      {
        "id": "<string>",
        "phone_number": "+1234567890",
        "is_primary": true,
        "is_verified": true,
        "verified_at": "2023-11-07T05:31:56Z"
      }
    ],
    "social_connections": [
      {
        "provider": "google",
        "enabled": true,
        "client_id": "<string>",
        "scopes": [
          "<string>"
        ],
        "redirect_uri": "<string>"
      }
    ]
  },
  "role": {
    "id": "<string>",
    "name": "Owner",
    "description": "<string>",
    "permissions": [
      "org.manage",
      "billing.manage",
      "members.manage"
    ],
    "is_default": false,
    "created_at": "2023-11-07T05:31:56Z"
  }
}