feat: Add build script

Author: Tandashi

package.json

@@ -3,10 +3,13 @@
   "version": "1.0.4",
   "description": "A cli tool to create a knockoutcity mod template",
   "author": "Tandashi",
+  "license": "ISC",
   "bin": {
     "knockoutcity-mod-create": "dist/index.js"
   },
-  "license": "ISC",
+  "scripts": {
+    "build": "tsc"
+  },
   "dependencies": {
     "enquirer": "^2.4.1",
     "fs-extra": "^11.1.1",