feat: add models list endpoint

src/routes/v1/mod.rs

@@ -0,0 +1,12 @@
+pub mod models;
+
+use crate::auth::middleware::auth_middleware;
+use crate::routes::v1::models::list_models;
+use crate::state::app_state::AppState;
+use axum::{Router, middleware, routing::get};
+
+pub fn router() -> Router<AppState> {
+    Router::new()
+        .route("/models", get(list_models))
+        .layer(middleware::from_fn(auth_middleware))
+}