Improves API (#133)

Author: hbcarlos

docs/source/custom.md

@@ -17,4 +17,4 @@ On the other side, to export a back-end model, we have to use the entry points p
 my_document = "my_module.my_file:YCustomDocument"
 ```
 
-You can find an example of a custom document in the [JupyterCAD extension](https://github.com/QuantStack/jupytercad). With an implementation of a new document model [here](https://github.com/QuantStack/jupytercad/blob/main/jupytercad/jcad_ydoc.py) and registering it [here](https://github.com/QuantStack/jupytercad/blob/main/setup.cfg).
+You can find an example of a custom document in the [JupyterCAD extension](https://github.com/QuantStack/jupytercad). With an implementation of a new document model [here](https://github.com/QuantStack/jupytercad/blob/main/jupytercad/jcad_ydoc.py) and registering it [here](https://github.com/QuantStack/jupytercad/blob/main/pyproject.toml).

javascript/src/api.ts

@@ -41,47 +41,6 @@ export type MapChanges = Map<
   }
 >;
 
-/**
- * A factory interface for creating `ISharedDocument` objects.
- */
-export interface IFactory {
-  /**
-   * Create a new `ISharedDocument` instance.
-   *
-   * It should return `undefined` if the factory is not able to create a `ISharedDocument`.
-   */
-  createNew(options: IFactory.IOptions): ISharedDocument | undefined;
-}
-
-/**
- * The namespace for `IFactory`.
- */
-export namespace IFactory {
-  /**
-   * The options used to instantiate a ISharedDocument
-   */
-  export interface IOptions {
-    /**
-     * The path of the file.
-     */
-    path: string;
-    /**
-     * The format of the document.
-     */
-    format: string;
-    /**
-     * The content type of the document.
-     */
-    contentType: string;
-    /**
-     * Wether the document is collaborative or not.
-     *
-     *  The default value is `true`.
-     */
-    collaborative?: boolean;
-  }
-}
-
 /**
  * ISharedBase defines common operations that can be performed on any shared object.
  */