doc(wiki): Added Ghostscript4JS

Author: NickNaso

"binding.gyp"-files-out-in-the-wild.md

@@ -41,4 +41,5 @@ To add to this page, just add the link to the project's `binding.gyp` file below
  * [node-osrm](https://github.com/DennisOSRM/node-osrm)
  * [node-oracle](https://github.com/joeferner/node-oracle/blob/master/binding.gyp)
  * [node-process-list](https://github.com/ReklatsMasters/node-process-list/blob/master/binding.gyp)
- * [node-nanomsg](https://github.com/nickdesaulniers/node-nanomsg/blob/master/binding.gyp)
+ * [node-nanomsg](https://github.com/nickdesaulniers/node-nanomsg/blob/master/binding.gyp)
+ * [Ghostscript4JS](https://github.com/NickNaso/ghostscript4js/blob/master/binding.gyp)