added jenn receipe

[shb84]

Checklist

• Title of this PR is meaningful: e.g. "Adding my_nifty_package", not "updated meta.yaml".
• License file is packaged (see here for an example).
• Source is from official source.
• 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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• Build number is 0.
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[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/jenn) and found some lint.

Here's what I've got...

For recipes/jenn:

• The home item is expected in the about section.

[sanbales]

Add home: https://github.com/shb84/JENN under about

Also, this may be helpful if anything else pops up in the linter.

[conda-forge-webservices]

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/jenn) and found it was in an excellent condition.

[shb84]

@conda-forge/help-python ready for review