Extend Third-party licenses topics to contain info about all packages

[dshevtsov]

This PR is a:

Content update

Summary

When this pull request is merged, it will:

• rename topics Third-party licenses to Packages
• add magento packages to the topics

Additional information

Internal ticket: MAGEDOC-3606

whatsnew
Changed Third-party licenses topics to Packages and added a section with magento/-specific dependencies.

[keharper]

I have no specific comments, but I'd like to see a test build.

[dshevtsov]

@keharper we do not share internal previews at public repositories.
See corresponding ticket in Additional information for any internal resources.

[jeff-matthews]

See minor editorial suggestions

[dshevtsov]

@hguthrie, @meker12 what do you think about moving the Cloud packages topic to the Cloud Guide?

[meker12]

@hguthrie, @meker12 what do you think about moving the Cloud packages topic to the Cloud Guide?

@hguthrie and I were discussing. For now, it's best to leave this information where people can find it in one place. Also, we're trying to understand the doc impact of the recent changes to Cloud offerings announced at the Adobe summit.

[dshevtsov]

running tests

[ghost]

Hi @dshevtsov, thank you for your contribution!
Please, complete Contribution Survey, it will take less than a minute.
Your feedback will help us to improve contribution process.