Create custom skill

{
  "slug": "<string>",
  "name": "<string>",
  "summary": "<string>",
  "content": "<string>",
  "tags": [
    "<string>"
  ],
  "metadata": {},
  "bundle": {},
  "version": 123,
  "created_at": "2023-11-07T05:31:56Z"
}