Add data-agent-kit-starter-pack plugin (#1551)

.claude-plugin/marketplace.json

@@ -519,6 +519,19 @@
       },
       "homepage": "https://github.com/astronomer/agents"
     },
+    {
+      "name": "data-agent-kit-starter-pack",
+      "description": "Specialized suite of skills for data engineers on Google Cloud — architect data pipelines, transform data with dbt, write Spark and BigQuery SQL notebooks, and orchestrate end-to-end workflows across BigQuery, Spanner, BigLake, and Dataproc.",
+      "author": {
+        "name": "Google LLC"
+      },
+      "category": "development",
+      "source": {
+        "source": "url",
+        "url": "https://github.com/gemini-cli-extensions/data-agent-kit-starter-pack.git"
+      },
+      "homepage": "https://cloud.google.com/bigquery"
+    },
     {
       "name": "data-engineering",
       "description": "Data engineering plugin - warehouse exploration, pipeline authoring, Airflow integration",