v2.9.1
re-add s3a.* properties to en common config file
[DOCFIX] Remove ALLUXIO_RELEASED_VERSION from docs/_config.yml
Fix spaces in navtab titles
[DOCFIX] Update cn version of Architecture doc
Improve navtabs and add accordion styling
[DOCFIX] Add doc for load v2
[DOCFIX] Improve Alluxio POSIX API doc
Update docs to Bootstrap 4 and replace bash $ characters with CSS rule (#8510)
Fix license quotes
Add docs/.jekyll-cache to .gitignore
Switch to console mode from bash for code block
Update version to 2.9.1
update-copyright
have changed docs/index.html (#7249)
[DOCFIX] Merge doc restructure (#8067)