fix(bin): add repository and more detailed author info

Author: zkat

bin/package.template.json

@@ -16,7 +16,12 @@
     "npm bin",
     "cli"
   ],
-  "author": "Kat Marchán <kzm@sykosomatic.org>",
+  "repository": "https://github.com/zkat/npx",
+  "author": {
+    "name": "Kat Marchán",
+    "email": "kzm@sykosomatic.org",
+    "twitter": "maybekatz"
+  },
   "license": "CC0-1.0",
   "dependencies": {
     "npm": "5.1.0",