feat: experimental support for deno v2

[yassilah]

This PR adds support for deno. As Deno supports reading from package.json the only real differences are the following:

• add a default npm: prefix to dependencies that do not already have one to align with the behavior of other package managers;
• immediately detect deno as the package manager if a deno.json file is present in the root folder since deno is not a valid entry in the packageManager property of package.json (if no deno.json file is present but a deno.lock is, nypm is still able to detect it).

resolves #157.

[toto6038]

Since Deno doesn't run lifecycle scripts by default, should we include the --allow-scripts flag in the command?

[yassilah]

Mhmm i genuinely don't know what's the best option here @pi0 ?

[pi0]

That's a good point however as per docs:

Note: Scripts will only be executed when using a node_modules directory (--node-modules-dir).

So I'm not sure either. I would say let's iterate and see if we need it in practice.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 64.96%. Comparing base (660392f) to head (d694f0e).
Report is 57 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #158       +/-   ##
===========================================
- Coverage   82.17%   64.96%   -17.21%     
===========================================
  Files           6        5        -1     
  Lines         516      491       -25     
  Branches       71       91       +20     
===========================================
- Hits          424      319      -105     
- Misses         91      169       +78     
- Partials        1        3        +2     

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[pi0]

Thanks for nice work on this ❤️