add front-end streams blog entry

![weeeee](http://24.media.tumblr.com/1877bcca2cf5df5c129152d2dbbdfbb4/tumblr_mh7gxafAjc1qdlh1io1_400.gif)
instead of "Imagine you want to implement a binding between an input element and an output" maybe "Imagine you want to take what a user types in an input element and show it in an output element" bind is an overloaded term.