FIX: Type parser for textual representation now parses union types

Bump version to 0.9.3 in Cargo.toml in kamo

Add package metadata for docs.rs

Change categories and keywords

Remove unused import

Update link to build status in kamo-macros readme

Merge kamo-macros into the main crate and update version to 0.8.1

Bump version to 0.8.0 in Cargo.toml

Update version to 0.7.0 and add new features and fixes

Update to version 0.6.0: Fixes, additions, and improvements