v0.3.0

Changelog

• 83a8d58 Bump version: 0.2.4 → 0.3.0
• e3a7456 build: add get_binary_path script and update Justfile build step
• 83c3864 build: update install script
• b854bf2 chore: update dependencies in go.mod
• eefb991 feat: Add review command with GPT integration and tests
• 4f3163d feat: add GetWithDefault and GetReviewPrompt methods to config manager
• b2eabb8 feat: add streaming support and refactor LLM interface for consistency
• 15ce24a refactor: centralize config defaults and validate review_lang
• 53e1f71 refactor: rename private methods to public in config manager
• 057350e style: Change configuration file path print formatting