FEATURE: style menu

This commit adds some markup to sidebars in admin.

resources/lang/en/admin/common.php

@@ -0,0 +1,5 @@
+<?php
+return [
+    'admin' => 'Administration',
+    'logout' => 'Log out'
+];

resources/lang/en/admin/mainMenu.php

@@ -1,8 +1,10 @@
 <?php
 
 return [
-    'dashboard' => 'Dashboard',
-    'userManagement' => 'User Management',
-    'newUser' => 'New User',
-    'usersOverview' => 'Overview'
+    'dashboard'      => 'Dashboard',
+    'userManagement' => 'Users',
+    'newUser'        => 'New User',
+    'usersOverview'  => 'Overview',
+    'customFields'   => 'Custom fields',
+    'settings'       => 'Settings'
 ];

resources/lang/en/admin/userManagement.php

@@ -10,6 +10,7 @@ return [
     'role_editor' => 'Editor',
     'role_visitor' => 'Visitor',
     'register' => 'Create user',
-    'registrationSuccessfull' => 'New user successfully added.'
+    'registrationSuccessfull' => 'New user successfully added.',
+    'profile' => 'Your profile'
 
 ];