static and templates folder are not present in the release

[echarles]

Probably a consequence of #181, the static and templates folders are no more present in the release (https://pypi.org/project/nbclassic/0.5.0 had to be yanked).

static and templates folder are however present further a pip install . (also present in editable mode with ``pip install -e .`).

cc/ @blink1073

[blink1073]

Because they are in .gitignore they must be manually included, as we do in jupyter_server.

[echarles]

Thx @blink1073 I have opened #204

[echarles]

@blink1073 I have tested locally with the merged #204, running python -m build and the generated wheel does not contain the static nor templates. I am expecting that the release will also not contain them. Any idea?

[echarles]

components was present in .gitignore, but not templates. I guess the change of #204 has not modified the behavior.

I have tried to tune MANIFEST.in without luck. I am going to continue to search. If I can not find a solution in the short term and as users are waiting for a release (with CVE fixes) I guess I will open a PR to temporary revert #181

[echarles]

Ok, I have a fix with #206 (at least python -m build creates a correct wheel on my env with the templates and static folders).

@blink1073