R: Vignettes and other documentation

# Vignettes and other documentation

## Vignettes from package 'forestBalance'

forestBalance::augmented |  | Augmented (Doubly-Robust) Estimation | HTML | source |
forestBalance::crossfitting |  | Cross-Fitting for Debiased Kernel Estimation | HTML | source |
forestBalance::guide |  | Getting Started with forestBalance | HTML | source |
forestBalance::performance |  | Performance and Scalability | HTML | source |