add manage in ability for supervisor

app/models/ability.rb

@@ -129,10 +129,19 @@ class Ability
         can :item_edit, :sale_edit
         can :item_void_cancel, :sale_edit
         can :cancel_all_void, :sale_edit        
-        can :apply_void, :sale_edit
-        
+        can :apply_void, :sale_edit        
         can :overall_void, :void
 
+        can :index, :other_charge
+        can :create, :other_charge
+        can :index, :discount
+        can :create, :discount
+        can :remove_discount_items, :discount
+        can :remove_all_discount, :discount
+
+        can :manage, Customer
+        can :manage, DiningQueue
+
         can :first_bill, :payment
         can :create, :payment
         can :show, :payment

app/views/layouts/_left_sidebar.html.erb

@@ -35,18 +35,21 @@
 					<span><%= t :dashboard %></span>
 				</a>
 			</li>
+			<% if can? :menage, OrderQueueStation %>
 			<li>
 				<a href="<%= oqs_root_path %>">
 					<i class="material-icons">room_service</i>
 					<span><%= t :oqs %></span>
 				</a>
 			</li>
+			<% end %>
 			<li>
 				<a href="<%= origami_root_path %>">
 					<i class="material-icons">monetization_on</i>
 					<span><%= t :origami %></span>
 				</a>
 			</li>
+			<% if can? :menage, Customer %>
 			<li>
 				<a href="javascript:void(0);" class="menu-toggle">
 					<i class="material-icons">widgets</i>
@@ -61,6 +64,7 @@
 					</li>
 				</ul>
 			</li>
+			<% end %>
 			<li>
 				<a href="<%= inventory_path %>">
 					<i class="material-icons">store</i>