Update footer with E.Noorlander link and new icons

- Added E.Noorlander link to footer pointing to https://noorlander.info
- Updated icons to new </CP> design (white/transparent)
- Improved footer attribution

public/templates/layout.html

@@ -266,7 +266,7 @@
                             {{file_info}}
                         </div>
                         <div class="site-info">
-                            <small class="text-muted">Powered by <a href="https://git.noorlander.info/E.Noorlander/CodePress" target="_blank" rel="noopener">CodePress CMS</a></small>
+                            <small class="text-muted">Powered by <a href="https://git.noorlander.info/E.Noorlander/CodePress" target="_blank" rel="noopener">CodePress CMS</a> / <a href="https://noorlander.info" target="_blank" rel="noopener">E.Noorlander</a></small>
                         </div>
                     </div>
                 </div>