add delete folder function

src/main/services/utils.service.ts

@@ -3,6 +3,7 @@ import { spawnSync } from "child_process";
 import { homedir } from "os";
 import path from "path";
 import { BrowserWindow } from "electron";
+import { rm } from "fs/promises";
 
 export class UtilsService{
 
@@ -59,6 +60,10 @@ export class UtilsService{
     return files.map(f => f.name);
   }
 
+  public deleteFolder(folderPath: string): Promise<void>{
+    return rm(folderPath, {recursive: true});
+  }
+
   public ipcSend(channel: string, args?: any){
     this.mainWindow.webContents.send(channel, args);
   }