Add plugin stub

package.json

@@ -2,6 +2,7 @@
   "name": "voxel-quarry",
   "description": "",
   "version": "0.0.1",
+  "main": "quarry.js",
   "repository": {
     "type": "git",
     "url": "git@github.com:deathcap/voxel-quarry.git"

quarry.js

@@ -0,0 +1,22 @@
+'use strict';
+
+module.exports = function(game, opts) {
+  return new QuarryPlugin(game, opts);
+};
+module.exports.pluginInfo = {
+  loadAfter: ['voxel-registry']
+};
+
+function QuarryPlugin(game, opts) {
+  this.registry = game.plugins.get('voxel-registry');
+  if (!this.registry) throw new Error('voxel-quarry requires voxel-registry plugin');
+
+  this.enable();
+}
+
+QuarryPlugin.prototype.enable = function() {
+};
+
+QuarryPlugin.prototype.disable = function() {
+};
+