docs: Add descriptions to many parameters (#1341)

* Add descriptions for some query parameters

* Eliminate the extra space

* Add a description to all the alias parameters

* Add documentation for property parameters

* Add descriptions for the aggregation argument

* Add property params to these objects

* Add descriptions for data types

* Fix the broken links

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

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Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Kevin Kim <kevkim@google.com>