Added Composer JSON file. (#320)

Author: pnikolov

composer.json

@@ -0,0 +1,14 @@
+{
+  "name": "fgnass/spin.js",
+  "description": "An animated CSS3 loading spinner with VML fallback for IE.",
+  "license": "MIT",
+  "homepage": "http://spin.js.org",
+  "keywords": ["spin", "spinner", "animation", "component", "css3"],
+  "authors": [
+    {
+      "name": "Felix Gnass",
+      "email": "[email protected]",
+      "homepage": "http://github.com/fgnass/spin.js"
+    }
+  ]
+}