Add test

Author: StoppedwummSites

package.json

@@ -8,7 +8,7 @@
   "main": "index.js",
   "scripts": {
     "start": "electron ui_index.cjs",
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "node ."
   },
   "dependencies": {
     "@xterm/xterm": "^5.5.0",