issun-macros 0.7.0

Proc macros for ISSUN game engine

This crate provides derive macros for:

• #[derive(Scene)] - Auto-implement Scene trait
• #[derive(Entity)] - Auto-generate entity methods
• #[derive(Service)] - Auto-implement Service trait
• #[derive(System)] - Auto-implement System trait
• #[derive(Asset)] - Auto-generate asset loading

Bevy-specific macros:

• #[derive(IssunEntity)] - Auto-generate component getters for any entity-holding Resource
• #[derive(IssunQuery)] - Query helper methods avoiding borrowing conflicts
• #[derive(IssunBevyPlugin)] - Auto-generate Bevy Plugin boilerplate
• log!() - Simplified EventLog macro