metadata-crates-io-testing 0.0.5

Just testing what fields in a Cargo.toml can be updated after a crate has been uploaded.

The Rust book touches on this but doesn't go in too deeply about specifics.

• name: Kinda, actually creates a new crate
• version: Yes, obviously
• authors: No, according to Rust book. Changing doesn't seem to throw an error tho?
• edition: Yes
• rust-version: Yes
• description: Yes
• documentation: Yes
• readme: Yes
• homepage: Yes
• repository: Yes
• license/license-file: Yes
• keywords: ?
• categories: Probably not?