Added link to resource page on activity page

Author: epolak01

src/views/teach/activities/home.jsx

@@ -15,7 +15,8 @@ const ActivitiesHome = () => (
             Each of these activities gives you a quick way to learn how
             to do new things with ScratchJr. They are listed here in
             order of simplest to hardest, but feel free to play around
-            in any order you'd like!
+            in any order you'd like! For more information and a brief
+            introduction to ScratchJr see the <a href="/teach/resources">Resources page</a>.
         </div>
         <div className="content-section-items-container">
             <LinkedSectionItem