Preliminary file watch logic added

src/app/editor/editors.component.ts

@@ -94,6 +94,7 @@ export class EditorsComponent {
 
             file.session.destroy();
             this.files.delete(path);
+            window.fs.closeFile(path);
         });
     }
 

src/polyfills.ts

@@ -27,8 +27,9 @@ declare global {
             openFiles: (arg0) => Promise<string>,
             saveFile: (arg0: any, arg1: any) => Promise<string>,
             saveFileAs: (arg0: any) => Promise<string>,
+            closeFile: (arg0: any) => Promise<string>,
             getPathForFile: any,
             onLoadFiles: (arg0: any) => Promise<string>,
         }
     }
-}
+}