Add autoupdate feature

main.js

@@ -1,6 +1,16 @@
+if (require('electron-squirrel-startup')) return;
 const { app, BrowserWindow, ipcMain, shell } = require('electron');
 const path = require('path');
 
+// Handle events from windows squirrel installer
+if (process.platform === "win32" && handleSquirrelEvent()) {
+  // squirrel event handled and app will exit in 1000ms, so don't do anything else
+  return;
+}
+
+const { updateElectronApp } = require('update-electron-app')
+updateElectronApp()
+
 let mainWindow;
 let upyPackage;
 const ARDUINO_VID = 0x2341;

package.json

@@ -38,6 +38,8 @@
     "electron": "^31.3.1"
   },
   "dependencies": {
+    "electron-squirrel-startup": "^1.0.1",
+    "update-electron-app": "^3.0.0",
     "upy-package": "github:arduino/upy-package"
   }
 }