Added docs for SpectralClusteringVisitor 2

Author: hosseinmoein

docs/HTML/DataFrame.html

@@ -1115,6 +1115,10 @@ <H2 ID="2"><font color="blue">API Reference with code samples <font size="+4">&#
       <td title="Performs mean-shift clustring">struct <a href="https://htmlpreview.github.io/?https://github.com/hosseinmoein/DataFrame/blob/master/docs/HTML/MeanShiftVisitor.html">MeanShiftVisitor</a>{}</td>
     </tr>
 
+    <tr class="item" onmouseover="this.style.backgroundColor='#ffff66';" onmouseout="this.style.backgroundColor='#d4e3e5';">
+      <td title="Performs spectral clustring">struct <a href="https://htmlpreview.github.io/?https://github.com/hosseinmoein/DataFrame/blob/master/docs/HTML/SpectralClusteringVisitor.html">SpectralClusteringVisitor</a>{}</td>
+    </tr>
+
   </table>
   </div>