Create an extension for a cluster.
POST/clusters/:id/extensions
Registers a new extension slot (provider or theme) for this cluster. This only creates the extension record; upload its jar via the extension's version sub-resource before it takes effect.
Request
Responses
- 201
Extension created. The response has no body; Location holds the new extension's URL, whose last path segment is its ID.
Response Headers
Location
URL of the created extension.