Add theme ParticleXF

[FloranceYeh]

ParticleXF is a Hexo theme fork of ParticleX, customized for personal blogs: dual themes, starry background, TOC drawer, code folding/wrapping, math support, Mermaid, search, and multiple comment options.

repo: https://github.com/FloranceYeh/hexo-theme-particlexf
demo: [https://particlexf-demo.florance.top/](https://particlexf-demo.florance.top/0

Check List

Please read and check followings before submitting a PR.

• I want to publish my theme on Hexo official website.
  • I have read the theme publishing doc.
  • name is unique.
  • link URL is correct.
  • preview URL is correct.
  • preview URL web site is rendered correctly.
  • Add a screenshot to source/themes/screenshots.
  • Screenshot filename is same as value of name.
  • Screenshot size is 800 * 500.
  • Screenshot file format is png.
• I want to publish my plugin on Hexo official website.
  • I have read the plugin publishing doc.
  • name is unique.
  • link URL is correct.
• Others (Update, fix, translation, etc...)
  • Languages:
  • en English

[github-actions]

✅ Theme thumbnails validation completed.