Update index.html

Author: ejboy

reference/index.html

@@ -1622,8 +1622,10 @@ <h3 class="boxed">Using Scriptella as a Database Schema Evolution Tool</h3>
          2006-2019 <a href="http://scriptella.org/license.html">The Scriptella Project Team.</a>
 </div>
 <div id="logos">
-<a href="http://validator.w3.org/check/referer"><img style="height: 31px; width: 88px;" title="Valid HTML 4.01!" alt="Valid HTML 4.01!" src="../skin/images/valid-html401.png" class="logoImage"></a><a href="http://jigsaw.w3.org/css-validator/check/referer"><img style="height: 31px; width: 88px;" title="Valid CSS!" alt="Valid CSS!" src="../skin/images/vcss.png" class="logoImage"></a><a href="http://forrest.apache.org/"><img border="0" title="Built with Apache Forrest" alt="Built with Apache Forrest - logo" src="../images/built-with-forrest-button.png" style="width: 88px;height: 31px;"></a>
-</div>
+<a href="http://validator.w3.org/check/referer"><img style="height: 31px; width: 88px;" title="Valid HTML 4.01!" alt="Valid HTML 4.01!" src="skin/images/valid-html401.png" class="logoImage"></a><a href="http://jigsaw.w3.org/css-validator/check/referer"><img style="height: 31px; width: 88px;" title="Valid CSS!" alt="Valid CSS!" src="skin/images/vcss.png" class="logoImage"></a>
+	<a href="http://forrest.apache.org/"><img border="0" title="Built with Apache Forrest" alt="Built with Apache Forrest - logo" src="images/built-with-forrest-button.png" style="width: 88px;height: 31px;"></a>
+	<a href="https://pvrlabs.xyz/"><img border="0" title="Performance optimized by PVRLabs" alt="Performance optimized by PVRLabs - logo" src="images/pvr_labs_optimized.png" style="width: 88px;height: 31px;"></a>
+</div>	
 <div id="feedback">
     Send feedback about the website to:
   <a id="feedbackto" href="mailto:scriptella@gmail.com?subject=Feedback%C2%A0reference/index.html">Fyodor Kupolov</a>
@@ -1646,4 +1648,4 @@ <h3 class="boxed">Using Scriptella as a Database Schema Evolution Tool</h3>
 </script>
 <!-- End of StatCounter Code for Default Guide -->
 </body>
-</html>
+</html>