ggtypst 0.1.0

This is the first public release of ggtypst.

Features

Added annotate_typst(), geom_typst(), and element_typst() for Typst-based text rendering in ggplot2 annotations, data layers, and theme elements.
Added native Typst math helpers:
- annotate_math_typst()
- geom_math_typst()
- element_math_typst()
Added MiTeX-backed LaTeX math helpers:
- annotate_math_mitex()
- geom_math_mitex()
- element_math_mitex()
Added support for styling arguments including size, face, colour/color, angle, alpha, lineheight, family, and mathfamily across the public plotting helpers.

Added testthat and vdiffr coverage for annotation, geom, and theme-element rendering paths, along with supporting package components.