Move supplier full pull to being an api for the ember app and handle login and authorization a little bit better (should be even a lot better in the future)

app/controllers/suppliers/employees_controller.rb

@@ -11,6 +11,11 @@ module Suppliers
       render json: @employees
     end
 
+    def suppliers
+      @suppliers = current_employee.suppliers
+      render json: @suppliers, serializer: Suppliers::SupplierSerializer, is_collection: true
+    end
+
     # GET /employees/1
     # GET /employees/1.json
     def show