Submit version 0.6.3 to CRAN

[choonghyunryu]

• [x] Build package
• [x] Check package
  • with --as-cran --run-donttest
• [x] Check package with rhub site
• [x] Submit package
• [x] Check if submit is OK

[choonghyunryu]

• Submit site not working as of 2024-01-03
  • https://cran.r-project.org/submit.html
  • "CRAN submission will be offline from Dec 22, 2023 to Jan 8, 2024 (CRAN team vacation and maintenance work)."

[choonghyunryu]

• Submit to CRAN
  • Change Date in DESCRIPTION

Date: 2024-01-08

[choonghyunryu]

submitted to CRAN