Add data-engineering to marketplace

.claude-plugin/marketplace.json

@@ -1040,14 +1040,14 @@
       "homepage": "https://github.com/intercom/claude-plugin-external"
     },
     {
-      "name": "searchfit-seo",
-      "description": "Free AI-powered SEO toolkit — audit websites, plan content strategy, optimize pages, generate schema markup, cluster keywords, and track AI visibility. Works with any website or codebase.",
+      "name": "data-engineering",
+      "description": "Data engineering plugin - warehouse exploration, pipeline authoring, Airflow integration",
       "source": {
         "source": "url",
-        "url": "https://github.com/searchfit/searchfit-seo.git",
-        "sha": "ced1a99a9fadfc10aa573a05829fc1bd357d4e4c"
+        "url": "https://github.com/astronomer/agents.git",
+        "sha": "85d6053b1e21724f9cefb1e3f5219bd54fc77224"
       },
-      "homepage": "https://searchfit.ai"
+      "homepage": "https://github.com/astronomer/agents"
     }
   ]
 }