[release] 0.3.0

[averissimo]

Blockers:

• Adds how-to guides (Rhino + Databases + Exclude inputs) #181

Release checklist:

• Run desc::normalize() to normalize DESCRIPTION file
• Make sure all CI actions are green
• Run urlchecker::url_check()
• Build the package locally using the command:R CMD build . which will generate a .tar.gz file necessary for the CRAN submission.
  • Ceate a git tag called X.X.X-rcX with the build
• Submit the package that was build in the previous step via this form: https://cran.r-project.org/submit.html
• Address CRAN feedback and repeat the submission to CRAN whenever necessary
• Create a git tag with the final version set to X.X.X on the main branch

Changes description

• Updates version to 0.2.0 (DESCRIPTION & NEWS.md)
• Cleanup of examples for MS SQL backend
• Use integer when calling character()

[jakubnowicki]

LGTM