update: sidebar - access when in admin on mobile

src/views/admin/page-admin-circles.pug

@@ -4,8 +4,9 @@
     sib-route(name='admin-circle-create')
     sib-route(name='circle-left')
 
-  div.content-box__header
+  div.content-box__header.flex.space-between
     h1.without-margin Administration
+    button.mobile-sidebar-button.jsMobileSidebarOpenButton.icon-arrow-left-circle MENU
 
   include ../circle/page-circle-left.pug
 

src/views/admin/page-admin-projects.pug

@@ -4,8 +4,9 @@
     sib-route(name='admin-project-create')
     sib-route(name='project-left')
 
-  div.content-box__header
+  div.content-box__header.flex.space-between
     h1.without-margin Administration
+    button.mobile-sidebar-button.jsMobileSidebarOpenButton.icon-arrow-left-circle MENU
 
   #project-left(hidden)
     include ../project/page-project-left.pug

src/views/admin/page-admin-users.pug

@@ -4,8 +4,9 @@
     sib-route(name='admin-users-create')
     sib-route(name='admin-users-edit')
 
-  div.content-box__header
+  div.content-box__header.flex.space-between
     h1.without-margin Administration
+    button.mobile-sidebar-button.jsMobileSidebarOpenButton.icon-arrow-left-circle MENU
   
   sib-widget(name='hubl-sib-action-custom')
     template