Added a want to help link.

Author: dblock

index.html

@@ -9,5 +9,8 @@ <h3><a href='projects/'>Ruby Grape Projects</a></h3>
 <h3><a href='team/'>Ruby Grape Team</a></h3>
 <p>Who maintains Ruby Grape?</p>
 
-<h3><a target='_blank' href='https://groups.google.com/forum/#!forum/ruby-grape'>Need Help? Have an idea?</a></h3>
+<h3><a target='_blank' href='https://github.com/ruby-grape/ruby-grape.github.io/issues'>Want to Help?</a></h3>
+<p>There're a number of non-code, community-related work-items <a href='https://github.com/ruby-grape/ruby-grape.github.io/issues'>here</a>.</p>
+
+<h3><a target='_blank' href='https://groups.google.com/forum/#!forum/ruby-grape'>Need Help?</a></h3>
 <p>Please <a target='_blank' href='https://groups.google.com/forum/#!forum/ruby-grape'>join the ruby-grape Google group</a>.</p>