feat: add p/sys/boot + codegen system for contracts

[moul]

• [ ] add p/sys/boot
• [ ] import p/sys/boot in other contracts
• [ ] add codegen system
• [ ] setup codegen data in gnodev
• [ ] setup codegen data in gno test
• [ ] setup codegen data in gnoland start --lazy

[codecov[bot]]

Codecov Report

:x: Patch coverage is 58.33333% with 15 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
gno.land/pkg/integration/testing_node.go	0.00%	7 Missing :warning:
gno.land/pkg/gnoland/genesis.go	60.00%	5 Missing and 1 partial :warning:
gno.land/pkg/keyscli/run.go	0.00%	2 Missing :warning:

:loudspeaker: Thoughts on this report? Let us know!

[github-actions[bot]]

This PR is stale because it has been open 3 months with no activity. Remove stale label or comment or this will be closed in 3 months.

[github-actions[bot]]

This PR is stale because it has been open 3 months with no activity. Remove stale label or comment or this will be closed in 3 months.

[github-actions[bot]]

This PR is stale because it has been open 3 months with no activity. Remove stale label or comment or this will be closed in 3 months.

[github-actions[bot]]

This PR was closed because it has been stalled for 3 months with no activity.

[Gno2D2]

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