manually declaring files so that install over git works

oh, and `prepare` is so that install over git works

Author: lawrence-forooghian

package.json

@@ -3,6 +3,7 @@
   "version": "0.1.0",
   "main": "index.js",
   "bin": "bin/interception-proxy",
+  "files": ["dist"],
   "scripts": {
     "prepare": "npm run build",
     "build": "tsc",