Add Readme.

README.md

@@ -0,0 +1,7 @@
+# JSFuck []()!+
+
+JSFuck is an esoteric and educational programming style based on the atomic parts of JavaScript. It uses only six different characters to write and execute code.
+
+It does not depend on a browser, so you can even run it on Node.js.
+
+Demo: [jsfuck.com](http://www.jsfuck.com)

index.html

@@ -40,6 +40,8 @@
   <p>JSFuck is an esoteric and educational programming style based on the
   atomic parts of JavaScript. It uses only six different characters to
   write and execute code.</p>
+  
+  <p>It does not depend on a browser, so you can even run it on Node.js.</p>
 
   <input id="input" type="text" value="alert(1)"/> 
   <button id="encode" type="text">Encode</button>