Add links to governance bodies

Author: jasongrout

about.html

@@ -483,7 +483,7 @@
 
     <!-- Executive Council -->
     <div class="content content--copy">
-        <h2 class="text-center">Executive Council Members</h2>
+        <h2 class="text-center"><a href="https://jupyter.org/governance/executive_council.html">Executive Council Members</a></h2>
     </div>
 
     <div class="content content--wide">
@@ -507,7 +507,7 @@ <h2 class="text-center">Executive Council Members</h2>
 
     <!-- Software Steering Council -->
     <div class="content content--copy">
-        <h2 class="text-center">Software Steering Council Members</h2>
+        <h2 class="text-center"><a href="https://jupyter.org/governance/software_steering_council.html">Software Steering Council Members</a></h2>
     </div>
 
     <div class="content content--wide">
@@ -533,7 +533,7 @@ <h2 class="text-center">Software Steering Council Members</h2>
 
   <!-- DISTINGUISHED CONTRIBUTORS -->
     <div class="content content--copy">
-      <h2 class="text-center">Distinguished Contributors</h2>
+      <h2 class="text-center"><a href="https://jupyter.org/governance/distinguished_contributors.html">Distinguished Contributors</a></h2>
       <p>{{ page.contributors_copy }}</p>
     </div>