In theory, `npx nvmrc` can now be used to validate an `.nvmrc` file that `nvm` will support. Allowances have been made for future extensibility, and aliases may no longer contain a `#`.

Fixes #3336. Closes #2288.

Co-authored-by: Jordan Harband <ljharb@gmail.com>
Co-authored-by: Yash Singh <saiansh2525@gmail.com>