chore(package): add default test script

ReRokutosei · ReRokutosei · commit 54863ad73748 · 2025-06-06T12:08:36.000+08:00
diff --git a/package.json b/package.json
@@ -9,7 +9,8 @@
   "homepage": "https://github.com/ReRokutosei/picgo-plugin-localbackup",
   "scripts": {
     "build": "tsc",
-    "prepublishOnly": "npm run build"
+    "prepublishOnly": "npm run build",
+    "test": "echo \"No test specified\""
   },
   "keywords": [
     "picgo",
