Closing tags should be included in the code folding range

[ris58h]

For now folding regions don't contain closing tags. By folding them too we could save screen space and increase readability of big XML files such as pom.xml.

VSCode examples:
Actual behavior

Desired behavior

I've already create the same issue in vscode-xml but it seems that the right place for the issue is here.

[angelozerr]

+1

@AlexXuChen do you want to work on this issue?

The folding is managed by https://github.com/eclipse/lemminx/blob/master/org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/services/XMLFoldings.java

[AlexXuChen]

@AlexXuChen do you want to work on this issue?

Sure thing