Add noiseflow

[OUCyf]

Checklist

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[github-actions]

Hi! Thanks for your contribution to conda-forge.
When submitting a pull request, please do not change anything in the example recipe.
Please make sure that any changes are reverted before you submit it for review.
Thanks!

[conda-forge-webservices]

Hi! This is the friendly automated conda-forge-linting service.

I wanted to let you know that I linted all conda-recipes in your PR (recipes/noiseflow) and found some lint.

Here's what I've got...

For recipes/noiseflow:

• The recipe must have some tests.

[github-actions]

Hi! Thanks for your contribution to conda-forge.
When submitting a pull request, please do not change anything in the example recipe.
Please make sure that any changes are reverted before you submit it for review.
Thanks!

[github-actions]

Hi! Thanks for your contribution to conda-forge.
When submitting a pull request, please do not change anything in the example recipe.
Please make sure that any changes are reverted before you submit it for review.
Thanks!

[github-actions]

Hi! Thanks for your contribution to conda-forge.
When submitting a pull request, please do not change anything in the example recipe.
Please make sure that any changes are reverted before you submit it for review.
Thanks!

[github-actions]

Hi! Thanks for your contribution to conda-forge.
When submitting a pull request, please do not change anything in the example recipe.
Please make sure that any changes are reverted before you submit it for review.
Thanks!