Release camtrapdp 0.2.0

[peterdesmet]

First release:

• Test package for GBIF: Updated write_dwc() function to process Camtrap DP to Darwin Core Archives gbif/pipelines#1069
• Add assignment functions: Add assignment equivalent functions #50
• usethis::use_cran_comments()
• Update (aspirational) install instructions in README
• Proofread Title: and Description:
• Check that all exported functions have @return and @examples
• Check that Authors@R: includes a copyright holder (role 'cph')
• Check licensing of included files
• Review https://github.com/DavisVaughan/extrachecks

Prepare for release:

• git pull
• urlchecker::url_check()
• devtools::build_readme()
• devtools::check(remote = TRUE, manual = TRUE)
• git push

Submit to CRAN:

• usethis::use_version('minor')
• Update NEWS.md
• devtools::check_win_devel()
• codemetar::write_codemeta()
• Merge Prepare 0.2.0 (CRAN release) #65
• devtools::submit_cran()
• Approve email

Wait for CRAN...

• Accepted 🎉
• Finish & publish blog post
• Add link to blog post in pkgdown news menu
• Add badges to README:

[![CRAN status](https://www.r-pkg.org/badges/version/camtraptor)](https://CRAN.R-project.org/package=camtrapdp)
[![CRAN checks](https://badges.cranchecks.info/worst/camtrapdp.svg)](https://cran.r-project.org/web/checks/check_results_camtrapdp.html)

• usethis::use_github_release()
• usethis::use_dev_version(push = TRUE)
• Tweet