R: Vignettes and other documentation

# Vignettes and other documentation

## Vignettes from package 'clifford'

clifford::complex_clifford |  | Complex arithmetic using Clifford algebra | HTML | source | R code
clifford::conformal_algebra_clifford |  | Conformal geometry with Clifford algebra | HTML | source | R code
clifford::signature |  | signature | HTML | source | R code
clifford::clifford |  | The clifford package | PDF | source | R code