Provide default for recommended NVM

[jms-pantheon]

Summary

The project readme recommends using NVM with Node 18, this file will help when navigating between projects and set Node to the required version by default if one is using NVM or NVS.

Release:

• [x] When ready
• [ ] After date: $DATE

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Post Launch

Do not remove - To be completed by the docs team upon merge:

• [ ] Redirect /old-path/ => /new-path/ (if applicable)
• [ ] Include/exclude pages ^ respectively within docs search service provider (if applicable)
• [ ] For Heroes - add a props post to the discussion board.
• [ ] Remove from the project board