Fix Gemini Parser

Google Gemini often fails to render markdown formatting and mathematical expressions correctly. This extension automatically fixes those issues, making responses cleaner and easier to read.

Features
- LaTeX Math Rendering — Converts inline $...$ expressions into beautifully rendered mathematical formulas using KaTeX
- Markdown Formatting — Properly displays bold, italic, strikethrough, underline, and inline code
- Custom Styling — Personalize colors and opacity for each formatting type through an intuitive color picker
- Advanced CSS Support — Power users can inject custom CSS for complete control over styling
- Lightweight — Minimal performance impact with smart DOM mutation detection