Update metadata in package.json

Author: wooorm

package.json

@@ -19,7 +19,11 @@
     "type": "git",
     "url": "https://github.com/wooorm/unist-util-inspect.git"
   },
-  "author": "Titus Wormer <tituswormer@gmail.com>",
+  "bugs": "https://github.com/wooorm/unist-util-inspect/issues",
+  "author": "Titus Wormer <tituswormer@gmail.com> (http://wooorm.com)",
+  "contributors": [
+    "Titus Wormer <tituswormer@gmail.com> (http://wooorm.com)"
+  ],
   "devDependencies": {
     "browserify": "^13.0.0",
     "chalk": "^1.0.0",