Build: create a lancher batch file during build

This batch file pauses after the program closes, preventing the console window immediately closing when the program encounters exception and crashes

package.json

@@ -6,7 +6,7 @@
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
     "clean": "rimraf dist/",
-    "build": "npm run clean && pkg .",
+    "build": "npm run clean && pkg . && echo @echo off >> dist/kdc-overlay.cmd && echo kdc-overlay.exe >> dist/kdc-overlay.cmd && echo pause >> dist/kdc-overlay.cmd",
     "postinstall": "patch-package",
     "lint": "eslint . --ext .vue,.js,.jsx,.cjs,.mjs --fix --ignore-path .gitignore",
     "format": "prettier --write ."