feat: add security-guidance plugin to marketplace.json

.claude-plugin/marketplace.json

@@ -46,6 +46,17 @@
       },
       "source": "./plugins/feature-dev",
       "category": "development"
+    },
+    {
+      "name": "security-guidance",
+      "description": "Security reminder hook that warns about potential security issues when editing files, including command injection, XSS, and unsafe code patterns",
+      "version": "1.0.0",
+      "author": {
+        "name": "David Dworken",
+        "email": "dworken@anthropic.com"
+      },
+      "source": "./plugins/security-guidance",
+      "category": "security"
     }
   ]
 }