Fix some typos

Keep date fixed

Improve wording

Fix footnotes >= 10

s/blog post/tutorial/g

Write Preface

Update R dependencies

Rearrange YAML header

Improve README

Use NAME variable wherever possible

Improve README rendering

Delete backup Rmd; everything has been translated

Use make and knitr to generate README

Update R dependencies and use CRAN version of {renv}

Update python requirements