Add recipe and dependencies for the ufmt code formatter / import sorter

[dstoeckel]

ufmt is a package combining black and usort to be used in CI pipelines. This PR adds the necessary packages from PyPI. Recipes were generated using grayskull.

Checklist

• [x] Title of this PR is meaningful: e.g. "Adding my_nifty_package", not "updated meta.yaml".
• [x] License file is packaged (see here for an example).
• [x] Source is from official source.
• [x] Package does not vendor other packages. (If a package uses the source of another package, they should be separate packages or the licenses of all packages need to be packaged).
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• [x] Package does not ship static libraries. If static libraries are needed, follow CFEP-18.
• [x] Build number is 0.
• [x] A tarball (url) rather than a repo (e.g. git_url) is used in your recipe (see here for more details).
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[conda-forge-linter]

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/stdlibs, recipes/trailrunner, recipes/ufmt, recipes/usort) and found some lint.

Here's what I've got...

For recipes/trailrunner:

• Non noarch packages should have python requirement without any version constraints.
• Non noarch packages should have python requirement without any version constraints.

[nicornk]

Okay to be maintainer

[conda-forge-linter]

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

I just wanted to let you know that I linted all conda-recipes in your PR (recipes/stdlibs, recipes/trailrunner, recipes/ufmt, recipes/usort) and found it was in an excellent condition.

[dstoeckel]

Okay to be maintainer

[nicornk]

@conda-forge/core this is ready to be reviewed and merged. thank you!

[nicornk]

pinging the correct @conda-forge/staged-recipes

[dstoeckel]

Resolved all comments. I had to use patches to avoid having to specify dependencies twice: in run and host. This is ready for another review round @conda-forge/staged-recipies

[nicornk]

@conda-forge/staged-recipes thanks!