chore: adds the verify command (#2)

Author: TENSIILE

package.json

@@ -5,7 +5,9 @@
   "scripts": {
     "start": "node dist/index.js",
     "build": "tsc",
-    "dev": "nodemon src/index.ts"
+    "dev": "nodemon src/index.ts",
+    "typecheck": "tsc --pretty --noEmit --skipLibCheck",
+    "verify": "npm run typecheck"
   },
   "keywords": [],
   "author": "",