menu css and wire

Plugin.php

@@ -14,11 +14,17 @@ class Plugin extends Base
             'template' => 'plugins/ShrinkVertically/Asset/css/shrink-vertically.css',
         ));
 
+        // Inject the configured pixel offset as a CSS variable in the page head.
+        $this->template->hook->attach('template:layout:head', 'shrinkVertically:layout/variable');
+
         // Append a "+" to the two vertical-collapse menu labels so it is visible
         // that the behaviour is modified by this plugin.
         $this->hook->on('template:layout:js', array(
             'template' => 'plugins/ShrinkVertically/Asset/js/shrink-vertically.js',
         ));
+
+        // Add a "Shrink Vertically" entry to the Settings sidebar.
+        $this->template->hook->attach('template:config:sidebar', 'shrinkVertically:config/sidebar');
     }
 
     public function getPluginName()
@@ -38,7 +44,7 @@ class Plugin extends Base
 
     public function getPluginVersion()
     {
-        return '0.1.0';
+        return '0.4.0';
     }
 
     public function getPluginHomepage()