[SPARK-34041] Miscellaneous cleanup for new PySpark documentation

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.1.0
• Fix Version/s: 3.1.1
• Component/s: Documentation
• Assignee: Hyukjin Kwon
• Reporter: Hyukjin Kwon
• Created: 07/Jan/21 07:14
• Updated: 12/Dec/22 18:10
• Resolved: 08/Jan/21 00:29

Description

1. Add a link of quick start in PySpark docs into "Programming Guides" in Spark main docs
2. ML MLlib -> MLlib (DataFrame-based)" and "MLlib (RDD-based)"
3. Mention MLlib user guide (https://dist.apache.org/repos/dist/dev/spark/v3.1.0-rc1-docs/_site/ml-guide.html)
4. Mention other migration guides as well because PySpark can get affected by it.

Issue Links

• links to: [Github] Pull Request #31082 (HyukjinKwon)
• links to: [Github] Pull Request #31082 (HyukjinKwon)