josis template

[Robinlovelace]

It would be great to have a josis template.

See PR here: https://github.com/rstudio/rticles/pull/382

Any feedback welcome.

---

By filing an issue to this repo, I promise that

• [x] I have fully read the issue guide at https://yihui.name/issue/.
• x] I have provided the necessary information about my issue.
  • If I'm asking a question, I have already asked it on Stack Overflow or RStudio Community, waited for at least 24 hours, and included a link to my question there.
  • If I'm filing a bug report, I have included a minimal, self-contained, and reproducible example, and have also included xfun::session_info('rticles'). I have upgraded all my packages to their latest versions (e.g., R, RStudio, and R packages), and also tried the development version: remotes::install_github('rstudio/rticles').
  • If I have posted the same issue elsewhere, I have also mentioned it in this issue.
• [x] I have learned the Github Markdown syntax, and formatted my issue correctly.

I understand that my issue may be closed if I don't fulfill my promises.