Add new main page in docs and fix misspell

Author: makseq

docs/themes/htx/layout/partials/index.ejs

@@ -516,7 +516,7 @@ menu && menu.classList.add('main__page__header')
 	    <li><a href="https://www.linkedin.com/company/heartex/"><img src="<%- url_for("/images/new/foot5.svg") %>" alt="footerlogo"></a></li>            
 	    <li><a href="https://github.com/heartexlabs/"><img src="<%- url_for("/images/new/foot4.svg") %>" alt="footerlogo"></a></li>            
           </ul>
-          <p class="copyright">© <%= new Date().getFullYear();%> Heartex, Inc.</p>
+          <p class="copyright">© <%= new Date().getFullYear(); %> Heartex, Inc.</p>
         </div>
         <div class="elem__footer">
           <p>Products</p>