upgrade build.yml to .NET 6

Add IGet HTTP Verb Markers

Add IGet HTTP Verb Markers

Add IGet HTTP Verb Markers

Reference latest MyGet pre-release packages

Update doc links

Update task-definition-template.json

Revert csporj changes and copy file in Dockerfile if exists.

Dotnet publish still not preserving pathing.

add CopyToOutputDirectory for App_Data

Dotnet publish still not preserving pathing.

Use as content.
wwwroot copied by default.