Update Ruby, Rails versions in rails.md #11476
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Proposed changes
While following the guide I noticed it was using old versions of Ruby and Rails. So updating :)
Rails 6 requires Yarn, the source of which needs to be added to apt. See installation instructions https://classic.yarnpkg.com/en/docs/install/#debian-stable
Tested by following instructions and getting to working Rails setup.
Unreleased project version (optional)
None :)
Related issues (optional)
None :)