title	issue
Provide the information if the order was created manually via the admin	NEXT-6398

Administration

Added a new block sw_order_list_grid_label_manual_order in src/module/sw-order/page/sw-order-list/sw-order-list.html.twig to display the manual order label
Added a new block sw_order_detail_header_label_manual_order in src/module/sw-order/page/sw-order-detail/sw-order-detail.html.twig to display the manual order label

Core

Added created_by_id and updated_by_id fields to order table
Added ManyToOne association between order and user
Added OneToMany association between user and order
Added method getCreatedById, setCreatedById, getCreatedBy, setCreatedBy, setUpdatedById, getUpdatedById, getUpdatedBy and setUpdatedBy in src/Core/Checkout/Order/OrderEntity to get and set createdById, createdBy, updatedById and updatedBy
Added method getCreatedOrders, setCreatedOrders, getUpdatedOrders, and setUpdatedOrders in src/Core/System/User/UserEntity to get and set createdOrders and updatedOrders
Added method proxyCreateOrder in src/Core/Framework/Api/Controller/SalesChannelProxyController to handle the creating order api
Added src/Core/Framework/DataAbstractionLayer/Field/CreatedByField to store created by data
Added src/Core/Framework/DataAbstractionLayer/Field/UpdatedByField to store updated by data
Added src/Core/Framework/DataAbstractionLayer/FieldSerializer/CreatedByFieldSerializer to set created by id for data
Added src/Core/Framework/DataAbstractionLayer/FieldSerializer/UpdatedByFieldSerializer to set updated by id for data