Add healthcheck endpoint to router

Cargo.lock

@@ -84,7 +84,7 @@ dependencies = [
 
 [[package]]
 name = "api"
-version = "1.0.0"
+version = "1.1.0"
 dependencies = [
  "axum",
  "bitcode",

src/handlers/mod.rs

@@ -10,6 +10,7 @@ pub mod v1;
 pub fn router() -> Router<Arc<State>> {
     Router::new()
         .route("/", get(docs))
+        .route("/healthcheck", get(healthcheck))
         .nest("/v1", v1::router())
 }