Add arXiv paper badge, fix TexTeller3.0 capitalization, and update documentation links for improved consistency. 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
Add arXiv paper badge, fix TexTeller3.0 capitalization, and update documentation links for improved consistency. 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>