SCORU/lib_crawler: extract library to follow L1 chain
Context
This MR introduces a new library octez-crawler
in src/lib_crawler
which allows to follow an L1 chain. It is used by the rollup node.
It follows !7675 (merged). Next MR: !7685 (merged).
Manually testing the MR
CI.
Edited by Alain Mebsout