feat(grok): init

[WalkQuackBack]

🎉 Theme for Grok 🎉

💬 Additional Comments 💬

Icon is blocked by https://github.com/simple-icons/simple-icons/issues/13853

🗒 Checklist 🗒

• [ ] I have read and followed Catppuccin's submission guidelines.
• [ ] I have made a new directory underneath /styles/<name-of-website> containing the contents of the /template directory.
  • [ ] I have ensured that the new directory is in lower-kebab-case.
  • [ ] I have followed the template and kept the preprocessor as LESS.
• [ ] I have made sure to update the userstyles.yml file with information about the new userstyle.
• [ ] I have included the following files:
  • [ ] catppuccin.user.less - all the CSS for the userstyle, based on the template.