Create vault memory entry

curl --request POST \
  --url https://api.case.dev/vault/{id}/memory \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "type": "fact",
  "content": "<string>",
  "source": "<string>",
  "tags": [
    "<string>"
  ]
}
'

{
  "entry": {
    "id": "<string>",
    "type": "<string>",
    "content": "<string>",
    "source": "<string>",
    "tags": [
      "<string>"
    ],
    "created_by": "<string>",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z"
  }
}