[SPARK-44742] Add Spark version drop down to the PySpark doc site

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 4.0.0
• Fix Version/s: 4.0.0, 3.5.1
• Component/s: PySpark
• Assignee: BingKun Pan
• Reporter: Allison Wang
• Created: 09/Aug/23 16:38
• Updated: 19/Sep/23 01:18
• Resolved: 23/Aug/23 02:31

Description

Currently, PySpark documentation does not have a version dropdown. While by default we want people to land on the latest version, it will be helpful and easier for people to find docs if we have this version dropdown. 

Other libraries such as numpy have such version dropdown.

Issue Links

• links to: [Github] Pull Request #42428 (panbingkun)