feat: Add Claude code plugin config

.claude-plugin/marketplace.json

@@ -0,0 +1,16 @@
+{
+  "name": "bigquery-data-analytics-marketplace",
+  "owner": {
+    "name": "Google LLC",
+    "email": "data-cloud-ai-integrations@google.com"
+  },
+  "metadata": {
+    "description": "Agent skills for BigQuery to connect, query, and generate data insights."
+  },
+  "plugins": [
+    {
+      "name": "bigquery-data-analytics",
+      "source": "./"
+    }
+  ]
+}

.claude-plugin/plugin.json

@@ -0,0 +1,27 @@
+{
+  "name": "bigquery-data-analytics",
+  "version": "0.1.7",
+  "description": "Connect, query, and generate data insights for BigQuery datasets and data.",
+  "author": {
+    "name": "Google LLC",
+    "email": "data-cloud-ai-integrations@google.com"
+  },
+  "homepage": "https://cloud.google.com/bigquery",
+  "license": "Apache-2.0",
+  "repository": "https://github.com/gemini-cli-extensions/bigquery-data-analytics",
+  "skills": "./skills/",
+  "userConfig": {
+    "bigquery_project": {
+      "title": "Project ID",
+      "description": "ID of the Google Cloud project",
+      "type": "string",
+      "sensitive": false
+    },
+    "bigquery_location": {
+      "title": "Location",
+      "description": "(Optional) Location of the BigQuery resources",
+      "type": "string",
+      "sensitive": false
+    }
+  }
+}