add clean script

package.json

@@ -4,18 +4,25 @@
   "module": "src/index.ts",
   "type": "module",
   "scripts": {
+    "clean": "bash scripts/clean.sh",
     "ci-build": "bun run build:node && bun run build:browser",
     "build:node": "bun build src/index.ts --outdir dist/node --target node --format esm --minify --production",
     "build:browser": "bun build src/index.ts --outdir dist/browser --target browser --format esm --minify --production"
   },
   "devDependencies": {
     "@types/bun": "latest",
-    "prettier": "^3.6.2"
+    "chai": "5.2.1",
+    "chai-as-promised": "8.0.1",
+    "mocha": "11.7.1",
+    "prettier": "3.6.2"
   },
   "peerDependencies": {
     "typescript": "^5"
   },
   "publishConfig": {
-   "registry": "https://registry-node.techniker.me"
+    "registry": "https://registry-node.techniker.me"
+  },
+  "dependencies": {
+    "@types/node": "24.3.0"
   }
 }