Add section elements

app/serializers/suppliers/employee_serializer.rb

@@ -1,5 +1,3 @@
 class Suppliers::EmployeeSerializer < Qwaiter::Serializer
-  self.root = :employee
-  embed :ids, include: true
   attributes :name, :email, :manager, :active, :color
 end

app/serializers/suppliers/section_element_serializer.rb

@@ -0,0 +1,3 @@
+class Suppliers::SectionElementSerializer < Qwaiter::Serializer
+  attributes :name, :box_width, :box_height, :dpm, :svg, :position_x, :position_y, :rotation, :section_id
+end

app/serializers/suppliers/svg_element_serializer.rb

@@ -0,0 +1,3 @@
+class Suppliers::SvgElementSerializer < Qwaiter::Serializer
+  attributes :name, :box_width, :box_height, :dpm, :svg
+end