[VSCode extension] Add a "Compile Folder" command

[anthonyvdotbe]

Description

Currently there's only a "Compile Workspace" command. It would be useful to also have a "Compile Folder" command.

Previous issue: https://issues.apache.org/jira/browse/NETBEANS-5407

Use case/motivation

• be able to compile a single folder, which is useful when you have multiple large projects open

Related issues

No response

Are you willing to submit a pull request?

No

Code of Conduct

Yes