### Bug description

Using `quarto create` -> `project` from the RStudio terminal creates an RStudio project, but the project file ends in `.rproj`. There seem to be a lot of things that assume a capital R in `.Rproj`, the usethis package for one. Is there any reason this shouldn't be `.Rproj`?:

https://github.com/quarto-dev/quarto-cli/blob/46ce2673bc3a5ce74051c7bc5a4a9c3678e25e7a/src/command/create/editor.ts#L160

Mac OS, dev quarto, RStudio Version 2023.03.0-daily+302 (2023.03.0-daily+302)

### Checklist

- [X] Please include a minimal, fully reproducible example in a single .qmd file? Please provide the whole file rather than the snippet you believe is causing the issue.
- [X] Please [format your issue](https://quarto.org/bug-reports.html#formatting-make-githubs-markdown-work-for-us) so it is easier for us to read the bug report.
- [X] Please document the RStudio IDE version you're running (if applicable), by providing the value displayed in the "About RStudio" main menu dialog?
- [X] Please document the operating system you're running. If on Linux, please provide the specific distribution.
cscheid
2023-02-25T20:21:34Z
cwickham
bug
v1.3
closed
`quarto create` from RStudio creates a project file with extension `.rproj` not `.Rproj`
https://github.com/quarto-dev/quarto-cli/issues/4537