docgen: group by type feature

config/nimdoc.cfg

@@ -83,6 +83,26 @@ doc.body_toc = """
 </div>
 """
 
+doc.body_toc_group = """
+<div class="row">
+  <div class="three columns">
+  <div>
+    Group by:
+    <select onchange="groupBy(this.value)">
+      <option value="section">Section</option>
+      <option value="type">Type</option>
+    </select>
+  </div>
+  $tableofcontents
+  </div>
+  <div class="nine columns" id="content">
+  <div id="tocRoot"></div>
+  <p class="module-desc">$moduledesc</p>
+  $content
+  </div>
+</div>
+"""
+
 doc.body_no_toc = """
 $moduledesc
 $content
@@ -1248,6 +1268,7 @@ dt pre > span.Operator ~ span.Identifier, dt pre > span.Operator ~ span.Operator
   }
 </style>
 
+<script type="text/javascript" src="../dochack.js"></script>
 
 <script type="text/javascript">
 function togglepragma(d) {