fix code indent

Author: alexwolfe

public/docs/js/latest/quickstart.jade

@@ -54,8 +54,8 @@
     <code>app.ts</code>, both at the root of the project:
 
   pre.prettyprint
-      $ touch index.html
-      $ touch app.ts
+    $ touch index.html
+    $ touch app.ts
 
   p Inside of <code>app.ts</code>, import the type definitions from Angular:
   pre.prettyprint