Features/chocolatey source added state

[TGuimbert]

What does this PR do?

Add the source_added function for the Chocolatey state that match the add_source abilities of the Chocolatey module. This add a way to use custom Chocolatey repository with authentication. To match the behavior of the installed function, I also added the function list_sources in the module.

What issues does this PR fix or reference?

Fixes: #58588

Merge requirements satisfied?

• Docs
• Changelog - https://docs.saltstack.com/en/master/topics/development/changelog.html
• Tests written/updated

Is the doc from the functions enough?

Commits signed with GPG?

No

Please review Salt's Contributing Guide for best practices.

See GitHub's page on GPG signing for more information about signing commits with GPG.

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[twangboy]

This looks great. Thanks for the PR. One requested change.

[welcome]

Congratulations on your first PR being merged! 🎉

[Slemaire-PNI]

Observation: Seems like it lacks the option to set priority for each source, which is pretty important. Also in the patch notes for 3002, this state function was reported to be source_added but it's actually source_present.