🚀 Add ability to set shared folder root path

[swiftyfinch]

Description

• I've renamed the feature toggles service to the environment;
• And I've added the new environment variable to set shared folder root path.
  Read more in updated docs.

References

• None

Checklist (I have ...)

• 🧐 Followed the code style of the rest of the project
• 📖 Updated the documentation, if necessary
• 👨🏻‍🔧 Added at least one test which validates that my change is working, if appropriate
• 👮🏻‍♂️ Run make lint and fixed all warnings
• ✅ Run make test and fixed all tests

❤️ Thanks for contributing to the 🏈 Rugby!

[codecov]

Codecov Report

Attention: 12 lines in your changes are missing coverage. Please review.

Comparison is base (8b772fe) 33.10% compared to head (dce3bc6) 33.06%.

Files	Patch %	Lines
...by/Core/Dependencies/Environment/Environment.swift	0.00%	5 Missing ⚠️
Sources/Rugby/Rugby.swift	0.00%	4 Missing ⚠️
...rces/RugbyFoundation/Core/Build/BuildManager.swift	0.00%	2 Missing ⚠️
...s/Rugby/Core/RunnableCommand/RunnableCommand.swift	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #272      +/-   ##
==========================================
- Coverage   33.10%   33.06%   -0.04%     
==========================================
  Files         142      142              
  Lines        4156     4161       +5     
==========================================
  Hits         1376     1376              
- Misses       2780     2785       +5     

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