Release radiator 1.1.0

[thierrygosselin]

Prepare for release:

• [x] Check that description is informative
• [x] Check licensing of included files
• [x] usethis::use_cran_comments()
• [x] devtools::check()
• [x] devtools::check_win_devel()
• [x] Polish pkgdown reference index
• [ ] to use CRAN, remove Remotes and other dependencies found only on GitHub :(
• [ ] rhub::check_for_cran()
• [ ] use GitHub Actions to test on the 3 OS

Submit to CRAN:

• [ ] usethis::use_version('minor')
• [ ] Update cran-comments.md
• [ ] devtools::submit_cran()
• [ ] Approve email

Wait for CRAN...

• [ ] Accepted :tada:
• [ ] usethis::use_github_release()
• [ ] usethis::use_dev_version()
• [ ] usethis::use_news()
• [ ] Update install instructions in README
• [ ] Finish blog post
• [ ] Tweet
• [ ] Add link to blog post in pkgdown news menu