Feature: add Ruby Project Management and Linting lessons

[scheals]

Because

It'd be cool to have those lessons.

This PR

• Adds those lessons so they actually show up in the curriculum!

Issue

Related:

• https://github.com/TheOdinProject/curriculum/issues/27026
• https://github.com/TheOdinProject/curriculum/issues/27091

Additional Information

Please merge these first:

• https://github.com/TheOdinProject/curriculum/pull/28040
• https://github.com/TheOdinProject/curriculum/pull/28041

Also, for all the poor WSL2 souls that have failing rspec tests: Do not follow Cliver error output. It won't be happy with a wslpath'd Chrome on Windows side. At least, it wasn't in my case. Just install Chrome in WSL2 and it'll be happy.

Pull Request Requirements

• [x] I have thoroughly read and understand The Odin Project Contributing Guide
• [x] The title of this PR follows the keyword: brief description of change format, using one of the following keywords:
  • Feature - adds new or amends existing user-facing behavior
  • Chore - changes that have no user-facing value, refactors, dependency bumps, etc
  • Fix - bug fixes
• [x] The Because section summarizes the reason for this PR
• [x] The This PR section has a bullet point list describing the changes in this PR
• [x] I have verified all tests and linters pass after making these changes.
• [x] If this PR addresses an open issue, it is linked in the Issue section
• [ ] If applicable, this PR includes new or updated automated tests

[scheals]

@JoshDevHub All systems set! (well, besides the two PRs that need to come in before this one :))