list warrens + explore nested folders

backend/src/api/state.rs

@@ -0,0 +1,21 @@
+use sqlx::{Pool, Postgres};
+
+#[derive(Debug, Clone)]
+pub struct AppState {
+    pool: Pool<Postgres>,
+    serve_dir: String,
+}
+
+impl AppState {
+    pub fn new(pool: Pool<Postgres>, serve_dir: String) -> Self {
+        Self { pool, serve_dir }
+    }
+
+    pub fn pool(&self) -> &Pool<Postgres> {
+        &self.pool
+    }
+
+    pub fn serve_dir(&self) -> &str {
+        &self.serve_dir
+    }
+}