docs: Bytecode crate

[rakita]

EOF TypesSection renamed to CodeInfo to be more informative.
CodeType enum now has Runtime and Initcode values

Docs for legacy and bytecode crate are updated.

[codspeed-hq]

CodSpeed Performance Report

Merging #2108 will not alter performance

_{Comparing rakita/docs/bytecode (5cdfdb6) with main (b3300a1)}

Summary

✅ 8 untouched benchmarks