feat: center tray window

src/main/utils/Constants.ts

@@ -12,6 +12,9 @@ export default class Constants {
 
   static IS_DEV_ENV = process.env.NODE_ENV === 'development'
 
+  // required IS_DEV_ENV
+  static IS_DEVTOOLS = true
+
   static IS_MAC = process.platform === 'darwin'
 
   static DEFAULT_WEB_PREFERENCES = {