Move about page into about directory and rename to index.

Author: Scott Straughan

about.html renamed to about/index.html

@@ -27,7 +27,7 @@ <h1><span class="material-icons">auto_stories</span>About</h1>
                         all types of accelerators, including RISC-V.</li>
                 </ul>
 
-                <img src="static/images/about/diagram.svg" alt="Figure 1" />
+                <img src="../static/images/about/diagram.svg" alt="Figure 1" />
 
                 <p>The goal of project SYCLOPS is to bring together these standards for the first time in order to
                     demonstrate ground-breaking advances in performance and scalability of extreme data analytics