docs(deploy): add node cluster mode

[Mastercuber]

❓ Type of change

• 📖 Documentation (updates to the documentation or readme)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality like performance)
• ✨ New feature (a non-breaking change that adds functionality)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

This PR adds a section to the docs for starting load balanced network processes with a Node.js internal module.

📝 Checklist

• I have linked an issue or discussion.
• I have updated the documentation accordingly.

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[pi0]

Hi @Mastercuber and thanks for nice PR. I've made unjs/nitro#451 to introduce cluser as a nitro preset. Would you like to help implementing that?

[Mastercuber]

Yes I would like to.
I made me some thoughts about how could a cluster module looks like, but maybe it's better to switch to the issue in unjs.

[pi0]

Surely. Feel free to share your thoughts in unjs/nitro#451 but already a similar usage of current example to implement preset should be amazing start. (we can fork instead of importing btw for cluster)

[pi0]

@Mastercuber I think it would be better if you put changes to nitro PR. (I can help on this if you like). This way we can include preset in next release :)

[Mastercuber]

I'm still writing at a comment for 451. The nitro repo is forked and cloned, but I have trouble with pnpm or the registry I use. I will investigate this after finishing the comment. Afterwards I can create a draft PR with the first example code

[pi0]

New preset is avialable since nitro 0.5.1 (updating lockfile). Thanks for helping on this 🚀