Merge #826

826: Add Rstudio r=poteto a=DavidNix

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## Add RStudio

- [x] I have read the [contributing guidelines](https://github.com/poteto/hiring-without-whiteboards/blob/master/CONTRIBUTING.md)
- [x] I agree to the [Code of Conduct](https://github.com/poteto/hiring-without-whiteboards/blob/master/CODE_OF_CONDUCT.md)
- [x] I have followed the [format](https://github.com/poteto/hiring-without-whiteboards/blob/master/CONTRIBUTING.md#format) prescribed in the contributing guidelines
- [ ] (OPTIONAL) In your pull request message, add additional context on the interview process if necessary

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Co-authored-by: David Nix <davidnix81@gmail.com>

README.md

@@ -532,6 +532,7 @@ Additions to this document that are properly formatted will automatically be pus
 - [Rizk.com](https://rizk.com) | Ta' Xbiex, Malta | Take-home assignment, discussion w/ developers
 - [Rockode](http://www.rockode.com) | Bangalore, India | Real world assignment, group hack session, discussions
 - [Rose Digital](http://rosedigital.co) | New York, NY | Phone conversation followed by pair coding components that mirror day to day work, in person discussion about code, take home project if needed for more info
+- [RStudio](https://www.rstudio.com) | Remote | Video calls with recruiter then engineering management, take home project, video call for code review with engineering lead
 - [RubyGarage](https://rubygarage.org) | Dnipro, UA | Take-home project, code review and discussion on-site
 - [Runtastic](https://www.runtastic.com) | Linz, Austria; Vienna, Austria | Video call with recruiting staff, take home project, video call for code review, discussion, questions