curl --request POST \
  --url http://localhost:8080/workspaces/{ws_id}/plugins \
  --header 'Content-Type: application/json' \
  --data '{
  "id": "<string>",
  "name": "<string>",
  "enabled": true,
  "endpoint_id": "<string>",
  "source_id": "<string>",
  "config": {},
  "metadata": {}
}'

{
  "id": "<string>",
  "name": "<string>",
  "enabled": true,
  "endpoint_id": "<string>",
  "source_id": "<string>",
  "config": {},
  "metadata": {},
  "created_at": 123,
  "updated_at": 123
}