Fix entrypoint

Author: mdingena

package.json

@@ -2,7 +2,7 @@
   "name": "att-string-transcoder",
   "version": "2.4.1",
   "description": "Trancode integer strings for A Township Tale.",
-  "main": "build/index.js",
+  "main": "dist/index.js",
   "scripts": {
     "prepare": "npm run build",
     "prebuild": "rimraf dist/",