Support multiple and nested template directories

[OrangeDog]

Regardless of how coverage sources are configured, this plugin only ever appear to work on a single top-level template directory.

You can set template_directory to a single sub-directory, but then everything in it reports 0% coverage.

This plugin needs to accept multiple top-level template directories, and it needs to correctly handle templates in sub-directories.

As an added bonus (if possible) it should also configure the sources so this doesn't need to be worked-around:

Only importable files (ones at the root of the tree, or in directories with a __init__.py file) will be considered

[BoPeng]

I am having the same problem so just leave a message with the hope that the author might come back and address this.

[BoPeng]

https://github.com/lfdebrux/coverage-jinja-plugin might have fixed this problem.