Make it easier to contribute

.gitignore

@@ -1,3 +1,6 @@
+.idea/
+npm-debug.log*
+
 # Windows image file caches
 Thumbs.db
 ehthumbs.db

CONTRIBUTING.md

@@ -0,0 +1,17 @@
+# Development
+
+## Dependencies
+
+Run the following to install all dependencies:
+
+```bash
+$ npm install
+```
+
+## Build
+
+Two steps are necessary to build the project entirely:
+
+```bash
+$ npm run build
+```

package.json

@@ -30,5 +30,8 @@
     "less-plugin-autoprefix": "^1.5.1",
     "requirejs": "^2.1.22",
     "run-sequence": "^1.1.2"
+  },
+  "scripts": {
+    "build": "gulp less && gulp build"
   }
 }