fix: Add schema for io-package.json to VSCode configuration

Author: H5N1v2

.vscode/settings.json

@@ -12,6 +12,12 @@
 				"admin/jsonTab.json5"
 			],
 			"url": "https://raw.githubusercontent.com/ioBroker/ioBroker.admin/master/packages/jsonConfig/schemas/jsonConfig.json"
-		}
+		},
+		{
+            "fileMatch": [
+                "io-package.json"
+            ],
+            "url": "https://raw.githubusercontent.com/ioBroker/ioBroker.js-controller/master/schemas/io-package.json"
+        }
 	]
 }