Publishing to crates.io

[jaschdoc]

Resources

• https://doc.rust-lang.org/cargo/reference/publishing.html
• https://rust-lang.github.io/api-guidelines/about.html

Cargo.toml

• Define include or exclude paths
• Define description field
• Define documentation
• Define readme
• Define repository
• Define license (also add license file to repository)

Code

• Implement / derive PartialEq for Envelope
• Implement / derive Display for Envelope
• Implement / derive Debug for Envelope
• Implement / derive Copy for Envelope