Send feedback via issues

components/Footer.js

@@ -6,7 +6,7 @@ const Footer = (props) => (
   <div className="mt3">
     <div className="mt3">
       <Link href="/about"><a className="link">about</a></Link>
-      <a className="link" href="mailto:hi@dawnlabs.io?subject=Carbon%20Feedback&anp;body=">send feedback</a>
+      <a className="link" href="https://github.com/dawnlabs/carbon/issues/new">send feedback</a>
       <a className="link" href="https://github.com/dawnlabs/carbon">source</a>
     </div>
     <div className="mt3 mb2">a project by <a className="dawn-link" href="https://twitter.com/dawn_labs">@dawn_labs</a> ¬</div>