Add support for lightnet settlements and bridging

[maht0rz]

Is your feature request related to a problem? Please describe. Starter kit currently only allows for a standalone sequencer operation. In order to advance the available feature set closer to production-like environment, we need a lightnet integration with settlement & bridging.

Describe the solution you'd like Implement a way to operate lightnet as part of the starter-kit's docker compose setup. Configuring all necessary sequencer modules to provide settlement & bridging (L1<>L2 actions).

(signed settlements only based on https://github.com/proto-kit/framework/issues/142) (lightnet integration based on https://github.com/proto-kit/framework/issues/144)

Describe alternatives you've considered N/A

Additional context N/A

[rpanic]

• [ ] Build out the stack package into a proper integration test environment