add toc links

docs/cg/index.html

@@ -8,12 +8,12 @@
   <h2>W3C WoT – Related Community Groups</h2>
   <p>The following Community Groups support the WoT activities:</p>
   <ul>
-    <li>Web of Things Community Group</li>
-    <li>Web of Things Japanese Community Group</li>
-    <li>Web Thing Protocol Community Group</li>
+    <li><a href="#wotcg">Web of Things Community Group</a></li>
+    <li><a href="#wotjpcg">Web of Things Japanese Community Group</a></li>
+    <li><a href="#webthingcg">Web Thing Protocol Community Group</a></li>
   </ul>
 
-  <div>
+  <div id="wotcg">
     <h3>Web of Things Community Group</h3>
     <p>
       The aim of the Web of Things Community Group (CG) is to accelerate the
@@ -28,7 +28,7 @@ <h3>Web of Things Community Group</h3>
 	<p>Website: <a href="https://www.w3.org/community/wot/" target="_blank">https://www.w3.org/community/wot/</a></p>
   </div>
 
-  <div>
+  <div id="wotjpcg">
     <h3>Web of Things Japanese Community Group</h3>
     <p>
       The mission of the Web of Things Japanese Community Group includes the
@@ -59,7 +59,7 @@ <h3>Web of Things Japanese Community Group</h3>
 	<p>Website: <a href="https://www.w3.org/community/wot-jp/" target="_blank">https://www.w3.org/community/wot-jp/</a></p>
   </div>
 
-  <div>
+  <div id="webthingcg">
     <h3>Web Thing Protocol Community Group</h3>
 
     <p>