[feat] introduced server and cli crates with foundational HTTP server and CLI implementation, including routing, health check, and configuration setup

backend-rust/crates/api/src/lib.rs

@@ -1,2 +1,5 @@
-pub mod api;
-pub use api::*;
+//! API-first core: shared types, DTOs, service traits, configuration.
+
+pub mod config;
+pub mod types;
+pub mod services;