Add followrabbit to marketplace

.claude-plugin/marketplace.json

@@ -1040,14 +1040,14 @@
       "homepage": "https://github.com/intercom/claude-plugin-external"
     },
     {
-      "name": "data-engineering",
-      "description": "Data engineering plugin - warehouse exploration, pipeline authoring, Airflow integration",
+      "name": "followrabbit",
+      "description": "Cloud cost optimization for GCP infrastructure. Review changes for cost impact and auto-apply savings recommendations using the followrabbit CLI.",
       "source": {
         "source": "url",
-        "url": "https://github.com/astronomer/agents.git",
-        "sha": "85d6053b1e21724f9cefb1e3f5219bd54fc77224"
+        "url": "https://github.com/followrabbit-ai/awesome-rabbit.git",
+        "sha": "f59ec3d1f6337a6ed825ef06836a221ed3d2ffb0"
       },
-      "homepage": "https://github.com/astronomer/agents"
+      "homepage": "https://subscriptions.agentic.followrabbit.ai/"
     }
   ]
 }