Create Workspace Membership

{
  "id": "<string>",
  "createdAt": "2023-11-07T05:31:56Z",
  "updatedAt": "2023-11-07T05:31:56Z",
  "userId": "<string>",
  "workspaceId": "<string>",
  "privileges": [
    "ROLE_WORKSPACE_OWNER"
  ],
  "accessTokens": []
}