[Experiment] ceno + babybear

[hero78119]

to generete mock proof for recursion.

[hero78119]

Attach commend to generate proof

cargo run --package ceno_zkvm --release --bin e2e -- --profiling=1 --max-steps=65536 --heap-size=131072 --platform=sp1 ceno_zkvm/examples/fibonacci.elf

then zkvm mock proof will be ready here

ceno/ceno_zkvm/src/bin/e2e.rs

Lines 150 to 151 in b6f5920

	// collect zkvm proof here

cc @darth-cy

[hero78119]

re open in #905