Module layers

Layer endpoints.

Structs

• create
  Endpoint for creating a new layer.
• delete
  Endpoint for deleting a layer. Layers are soft-deleted and marked as deleted.
• find
  Endpoint for searching layers. Layers are returned in order of their order_index.
• find_by_id
  Endpoint for fetching a layer by its id.
• update
  Endpoint for updating layers.