rcompendium 1.0

• New feature: add_dockerfile() creates a basic Dockerfile in compendium (new
  argument dokerfile in new_compendium()) based on rocker/rstudio.
• New feature: add_renv() initialize renv environment in compendium (new
  argument renv in new_compendium())
• New feature: add_github_actions_render() will automatically render
  the README.md on GitHub server after each push. This action is triggered
  only if the README.Rmd has been modified since the last commit. Also
  add new argument gh_render in new_*() functions.
• New vignette: developing an R package
• New vignette: working with a compendium
• Function add_dependencies() allows now missing R/ folder and improves the
  detection of dependencies in vignettes.
• Function add_lifecycle_badge() does not copy badge SVG in the project
  anymore. The image badge is now created using https://shields.io/.
• Update GHA templates. They are now derived from:
  https://github.com/r-lib/actions/tree/v2-branch/examples
• Rename default vignette title (title is now Get Started)
• Add cph (copyright holder) tag in DESCRIPTION file
• Change default package hexSticker and add R script in inst/package-sticker/
  to easily change the hexSticker
• Rename commits messages (and remove emoji)
• For compendium: arguments gh_check and website are now FALSE by default
• For compendium: rename rscripts/ folder to analyses/
• For compendium: delete paper/ folder
• Review and improve documentation
• Rename templates file names
• Fix bug: detection of nested RStudio projects