Add WebMCP domain to sidebar (#260)

Author: beaufortfrancois

pages/_includes/shell.hbs

@@ -113,6 +113,7 @@
           <a href="{{{ url '/' }}}{{{ version }}}/Tracing" class="tot 1-3">Tracing</a>
           <a href="{{{ url '/' }}}{{{ version }}}/WebAudio" class="tot experimental">WebAudio</a>
           <a href="{{{ url '/' }}}{{{ version }}}/WebAuthn" class="tot experimental">WebAuthn</a>
+          <a href="{{{ url '/' }}}{{{ version }}}/WebMCP" class="tot experimental">WebMCP</a>
         </nav>
       </div>
     </div>