web-UI refactoring

Added wpa_supplicant.conf generator
refactored web-ui to support dynamic additions of modules
added support for module height by ratio (or percentage)
Changed format of settings file slightly to support info section height

server/app/templates/base.html

@@ -31,7 +31,7 @@
                         </li>
 
                         <li class="nav-item">
-                            <a class="nav-link" href="/inkycal_config">Setup</a>
+                            <a class="nav-link" href="/inkycal-config-v2-0-0">Setup</a>
                         </li>
                         <li class="nav-item">
                             <a class="nav-link" href="/setup_wifi">WiFi-setup</a>