layer0 preset

[pi0]

Refs:

• #39
• https://github.com/unjs/nitro-poc-layer0 (private)

TODO:

• [x] Move POC as a published preset
• [ ] Add deployment guide (@tristanlee85)

Improvements:

• [ ] Use direct builder/core API instead of invoking CLI
• [ ] Layer0 config
  • Option to set layer0 core/cli version
  • Pin used version on first build to .nitrorc
• [ ] Map route rules <> Layer0 router
  • Any reference for JSON format instead of routes.js?
• [ ] Map Proxy support (#113) <> Layer0 backends