v0.3.0

Features

• --code-review flag added. This is the first "role" being added beyond the default "helpful assistant".

Fixes

• --markdown is now a flag rather than argument requiring a boolean
• Applied cargo fmt
• Applied cargo clippy

DevOps

• vscode settings now apply clippy on file save
• github actions updated to use --code-review and --markdown
• Various code readability, refactor and function name improvements

Full Changelog: v0.2.0...v0.3.0