Add data-engineering to marketplace

.claude-plugin/marketplace.json

@@ -1040,16 +1040,14 @@
       "homepage": "https://github.com/intercom/claude-plugin-external"
     },
     {
-      "name": "ai-firstify",
+      "name": "data-engineering",
-      "description": "AI-first project auditor and re-engineer based on the 9 design principles and 7 design patterns from the TechWolf AI-First Bootcamp",
+      "description": "Data engineering plugin - warehouse exploration, pipeline authoring, Airflow integration",
       "source": {
-        "source": "git-subdir",
+        "source": "url",
-        "url": "techwolf-ai/ai-first-toolkit",
+        "url": "https://github.com/astronomer/agents.git",
-        "path": "plugins/ai-firstify",
+        "sha": "85d6053b1e21724f9cefb1e3f5219bd54fc77224"
-        "ref": "main",
-        "sha": "7f18e11d694b9ae62ea3009fbbc175f08ae913df"
       },
-      "homepage": "https://ai-first.techwolf.ai"
+      "homepage": "https://github.com/astronomer/agents"
     }
   ]
 }