Rename Rixin Li’s profile file and URLs to uc-berkeley-00-li-rixin.md (last name first) and update affected links sitewide

[sabaronett]

Summary
Rename the Markdown file and corresponding URLs for Rixin Li to use the format uc-berkeley-00-li-rixin.md and /team/li-rixin/ (last name first), instead of uc-berkeley-00-rixin-li.md and /team/rixin-li/.

Tasks

• Rename the file _team/uc-berkeley-00-rixin-li.md to _team/uc-berkeley-00-li-rixin.md.
• Update permalink in frontmatter from /team/rixin-li/ to /team/li-rixin/.
• Systematically search the entire website repository for all references to the old URL /team/rixin-li/ and file name uc-berkeley-00-rixin-li.md.
  • Update all such links and references to /team/li-rixin/ and uc-berkeley-00-li-rixin.md.
  • This includes (but is not limited to):
    • News posts
    • Tags and tag index pages
    • Hyperlinks on the Meeting page
    • Research pages
    • Any cross-references in team listings and sidebar components
• Test that all links to Rixin Li’s profile resolve correctly after changes.

Acceptance Criteria

• Old URLs/file names do not appear anywhere in the codebase.
• All links to Rixin Li’s profile page use the correct new format.
• There are no broken or outdated hyperlinks as a result of this update.