Update preload.js

Author: michal92299

preload.js

@@ -1,5 +1,9 @@
 const { contextBridge, ipcRenderer } = require('electron');
 
 contextBridge.exposeInMainWorld('electronAPI', {
-    onUpdateStats: (callback) => ipcRenderer.on('update-stats', callback)
+    onUpdateStats: (callback) => ipcRenderer.on('update-stats', callback),
+                                onGetRects: (callback) => ipcRenderer.on('get-rects', callback),
+                                onStopRecording: (callback) => ipcRenderer.on('stop-recording', callback),
+                                send: (channel) => ipcRenderer.send(channel),
+                                desktopCapturer: require('electron').desktopCapturer
 });