improved documentation for swanfilebrowser

Author: omazapa

SwanFileBrowser/src/swanfilebrowser.ts

@@ -2,10 +2,16 @@
 // Author: Omar.Zapata@cern.ch 2021
 
 /**
- * This file containts the implementation for SwanFileBrowser and SwanFileBrowserModel classes.
+ * This file contains the implementation for SwanFileBrowser and SwanFileBrowserModel classes.
  *
  * Those classes are the replacement for the default FileBrowser and allows to
  * manipulated the paths to check if the folder is a project or not and to set the proper kernel path.
+ *
+ * Modifications on this file:
+ * -> created the class SwanFileBrowserModel that extends from FilterFileBrowserModel
+ * -> created the class SwanFileBrowser extends from FileBrowser
+ *
+ * All new methods were implemented by us, take a look in the documentation below for every class and method for more details.
  */
 
 import { FilterFileBrowserModel, FileBrowser } from '@jupyterlab/filebrowser';