Changes

• Added a pkgdown website for the R package.
• Added explicit dependencies on R (>= 4.3.0), Rcpp (>= 1.1.0), and RcppArmadillo (>= 15.0.2-2)
• Removed CXX11 from src/Makevars and src/Makevars.win to avoid potential compilation issues
  with newer versions of Armadillo through RcppArmadillo.
• Switched README.Rmd to README.qmd to use Quarto for rendering.
• Fixed CITATION file to use c() instead of personList() and bibentry() to
  avoid CRAN check notes.
• Updated GitHub Action workflows.

Bug Fix

• Fix ambiguous overloaded of pow on Solaris.

Documentation

• Added CRAN badges to README.

Features

• Provides a high-performing modeling routine for the Exploratory
  Deterministic Input, Noisy "And" Gate model.
• Estimate Q matrices with varying k values and compare.