chore: add npm build script

Author: urish

.gitignore

@@ -1,3 +1,4 @@
+dist
 node_modules
 wokwi.toml
 *.bin

package.json

@@ -4,6 +4,7 @@
   "description": "",
   "main": "index.js",
   "scripts": {
+    "build": "tsc",
     "start": "ts-node src/main.ts",
     "lint": "eslint ./src",
     "test": "npm run lint",