HyukjinKwon opened a new pull request #29320: URL: https://github.com/apache/spark/pull/29320
### What changes were proposed in this pull request? This PR proposes to write the main page of PySpark documentation. ### Why are the changes needed? For better usability and readability in PySpark documentation. ### Does this PR introduce _any_ user-facing change? Yes, it creates a new main page as below: ![Screen Shot 2020-07-31 at 10 02 44 PM](https://user-images.githubusercontent.com/6477701/89037618-d2d68880-d379-11ea-9a44-562f2aa0e3fd.png) ### How was this patch tested? Manually built the PySpark documentation. ```bash cd python make clean html ``` ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org