[SPARK-51123][DOC] Self-host JavaScript and CSS in Spark 3.5.1 website

[LuciferYang]

Execute the following command and regenerate the docs related to version 3.5.1 on v3.5.1 tag

git cherry-pick 31fbf013e7cba1deeb359c0af17295488cf66461
git cherry-pick 3b892bd632502c56c1f76f858a4531f76118024b
git cherry-pick e395f33dd37f212b6e95b08467e95b58acd73d73
git cherry-pick 03f7200d5b6c63a732162b4762f72ac94a64a3f8
cd docs
SKIP_API=1 PRODUCTION=1 bundle exec jekyll build

then copy all contents in spark/docs/_site to site/docs/3.5.1/

[dongjoon-hyun]

+1, LGTM.

[LuciferYang]

Thank you @dongjoon-hyun

[the-sakthi]

LGTM

[LuciferYang]

Thanks @gengliangwang @dongjoon-hyun and @the-sakthi