derive serde::Serialize, implement Display for Yamd

[Lurk]

No description provided.

[codecov]

Codecov Report

Merging #27 (5ad1bb1) into main (8d3db67) will decrease coverage by 0.1%.
The diff coverage is 99.5%.

Additional details and impacted files

Files	Coverage Δ
src/lib.rs	100.0% <100.0%> (ø)
src/nodes/accordion.rs	100.0% <100.0%> (ø)
src/nodes/anchor.rs	100.0% <100.0%> (ø)
src/nodes/bold.rs	100.0% <100.0%> (ø)
src/nodes/cloudinary_image_gallery.rs	95.6% <100.0%> (-0.3%)	⬇️
src/nodes/code.rs	100.0% <100.0%> (ø)
src/nodes/divider.rs	100.0% <100.0%> (ø)
src/nodes/embed.rs	98.7% <100.0%> (ø)
src/nodes/heading.rs	100.0% <100.0%> (ø)
src/nodes/highlight.rs	100.0% <100.0%> (ø)
... and 14 more