header: use bytes.Reader instead of bytes.Buffer

[rbqvq]

Use bytes.Reader instead of bytes.Buffer.

[coveralls]

Coverage is 95.409% — rbqvq:main into pires:main. No base build found for pires:main.

[pires]

Please, share your rationale.

[rbqvq]

bytes.Reader is designed for read-only data, whereas bytes.Buffer is a growable variable-sized buffer.

For better semantic clarity and lower overhead, I recommend using bytes.Reader instead of bytes.Buffer.

[pires]

Thank you! Let's wait for #173 given this is a single commit that can easily be rebased and pushed just by yourself 🙇🏻‍♂️

[pires]

Please, rebase and push. Thank you!

[rbqvq]

Thank you, Wait the next tag version 🎉