feat: can recursively load files

Signed-off-by: kjuulh <contact@kjuulh.io>

crates/cuddle-clusters/tests/tests.rs

@@ -27,6 +27,13 @@ async fn both() -> anyhow::Result<()> {
     Ok(())
 }
 
+#[tokio::test]
+async fn nested() -> anyhow::Result<()> {
+    run_test("nested").await?;
+
+    Ok(())
+}
+
 #[tokio::test]
 async fn jinja() -> anyhow::Result<()> {
     run_test("jinja").await?;