Dapper-backed endpoint examples

[adeutscher]

Incorporate endpoints that query their information from Dapper-backed repositories into the general template. These examples are based on applied cases from other projects.

Other notes:

• The Product endpoints are backed by Dapper with a service and repository layer.
• The Order endpoints are backed by a deterministic source generated version of the established Dapper pattern based off of the OrderDto DTO definition.
  • Use of the source generation feature is encouraged, as it requires less code to be written/reviewed per table.
• Local testing now uses a MariaDB container, with a schema backed by the RedShirt.Example.Schema project
• Within the solution, common projects and data store projects are now organized into solution folders.