Add auto-update and fix bug

main.js

@@ -2,6 +2,7 @@
 const { app, BrowserWindow, session } = require('electron')
 const path = require('path')
 require("v8-compile-cache");
+require("update-electron-app")();
 let mainWindow
 require("./menu.js")
 

package.json

@@ -12,6 +12,7 @@
   "license": "MIT",
   "dependencies": {
     "custom-electron-titlebar": "3.2.6",
+    "update-electron-app": "^2.0.1",
     "v8-compile-cache": "^2.3.0"
   },
   "devDependencies": {

preload.js

@@ -3,7 +3,6 @@ const customTitlebar = require('custom-electron-titlebar')
 window.addEventListener('DOMContentLoaded', () => {
   new customTitlebar.Titlebar({
     backgroundColor: customTitlebar.Color.fromHex("#2C2F33"),
-    titleHorizontalAlignment
   });