Add CoreWF to .NET Foundation List

[Dustin Metzgar]

Create a PR here - https://github.com/dotnet/foundation/tree/master/projects
Update:

• README.md
• Json file
• Add a markdown file with project info

Sample PR is here

[github-actions]

This issue has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.