Release npi 0.2.0 to CRAN

[frankfarach]

First release:

• [x] usethis::use_cran_comments()
• [x] Update (aspirational) install instructions in README
• [x] Proofread Title: and Description:
• [x] Check that all exported functions have @return and @examples
• [x] Check that Authors@R: includes a copyright holder (role 'cph')
• [x] Check licensing of included files
• [x] Review https://github.com/DavisVaughan/extrachecks

Prepare for release:

• [x] devtools::build_readme()
• [x] urlchecker::url_check()
• [x] devtools::check(remote = TRUE, manual = TRUE)
• [x] devtools::check_win_devel()
• [x] rhub::check_for_cran()
• [x] Review pkgdown reference index for, e.g., missing topics
• [ ] Draft blog post

Submit to CRAN:

• [x] usethis::use_version('minor')
• [x] devtools::submit_cran()
• [x] Approve email

Wait for CRAN...

• [x] Accepted :tada:
• [x] usethis::use_github_release()
• [x] usethis::use_dev_version()
• [ ] Finish blog post
• [ ] Tweet
• [ ] Add link to blog post in pkgdown news menu

[frankfarach]

CRAN comments:

Please add a web reference for the API in the form <https:.....> to the description of the DESCRIPTION file with no space after 'https:' and angle brackets for auto-linking.

Please add \value to .Rd files regarding exported methods and explain the functions results in the documentation. Please write about the structure of the output (class) and also what the output means. (If a function does not return a value, please document that too, e.g. \value{No return value, called for side effects} or similar) Missing Rd-tags: pipe.Rd: \value