chore(server): scaffold axum com health endpoint e testes

server/tests/health.rs

@@ -0,0 +1,18 @@
+use axum_test::TestServer;
+use ares_server::config::Config;
+use ares_server::{build_app, router};
+use tempfile::tempdir;
+
+#[tokio::test]
+async fn health_returns_ok() {
+    let dir = tempdir().unwrap();
+    let cfg = Config {
+        db_path: dir.path().join("t.db").to_string_lossy().into(),
+        ..Default::default()
+    };
+    let state = build_app(cfg).await;
+    let server = TestServer::new(router(state));
+    let res = server.get("/api/v1/health").await;
+    assert_eq!(res.status_code(), 200);
+    assert_eq!(res.json::<serde_json::Value>()["status"], "ok");
+}