add template example

[edgarriba]

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• Was this discussed/approved via a Github issue? (no need for typos and docs improvements)
• Did you make sure to update the docs?
• Did you write any new necessary tests?

What does this PR do?

Fixes # (issue).

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[pep8speaks]

Hello @edgarriba! Thanks for updating this PR. We checked the lines you've touched for PEP 8 issues, and found:

There are currently no PEP 8 issues detected in this Pull Request. Cheers! 🍻

Comment last updated at 2021-06-17 10:00:55 UTC

[edgarriba]

@tchaton initial proposal for a template tutorial file. Please, indicate what you miss or what else we could include.

[edgarriba]

@Borda can we disable [E402] module level import not at top of file ?

I guess there are some educational cases where we might want to include some imports in the top of a cell instead of the top of the file.

[Borda]

@edgarriba eventually you can flag it with noqa but fine to add this ignore :]

[justusschock]

How do we make sure, the template isn't deployed?

[edgarriba]

@justusschock good point - @Borda can we enable/disable that ?

[Borda]

How do we make sure, the template isn't deployed?

you need to list each notebook you want to add in docs, so no problem :P
Lightning-AI/pytorch-lightning#8004 (comment)