refactor: extract scroll zstd encoder to a crate

[yiweichi]

This PR extracts scroll-zstd-encoder to a crate for both Reth, da-codec(l2geth) and prover to use.

See da-codec zsdt encoder here: https://github.com/scroll-tech/da-codec/blob/main/libzstd/encoder-standard/src/lib.rs

[codspeed-hq]

CodSpeed Performance Report

Merging #299 will not alter performance

_{Comparing refactor-extract-scroll-zstd-encoder (9abe6ef) with scroll (d6f52ad)}

Summary

✅ 77 untouched benchmarks

[yiweichi]

Close this because we decided to pub the zstd encoder crate to da-codec repo.