fix: actually write image

lib/marka/index.ts

@@ -102,7 +102,9 @@ export async function createResource(
     body: isJson ? JSON.stringify(content) : content,
   });
   if (!response.ok) {
-    throw new Error(`Failed to create resource: ${response.status}`);
+    throw new Error(
+      `Failed to create resource (resources/${path}) : ${response.status}`,
+    );
   }
   return response.json();
 }