refactor: move api crate to api dir

Signed-off-by: bestgopher <84328409@qq.com>

api/admin/src/lib.rs

@@ -0,0 +1,21 @@
+pub mod error;
+pub mod handlers;
+pub mod object_api;
+
+use axum::{extract::Request, response::Response, routing::get, BoxError, Router};
+use ecstore::store::ECStore;
+use error::ErrorCode;
+use handlers::list_pools;
+use object_api::ObjectApi;
+use tower::Service;
+
+pub type Result<T> = std::result::Result<T, ErrorCode>;
+
+pub fn register_admin_router(
+    ec_store: Option<ECStore>,
+) -> impl Service<Request, Response = Response, Error: Into<BoxError>, Future: Send> + Clone {
+    Router::new()
+        .nest("/admin/v3", Router::new().route("/pools/list", get(list_pools::handler)))
+        .with_state::<()>(ObjectApi::new(ec_store))
+        .into_service()
+}