fix: broken script in example package.json (#7833)

Fix example package.json script

The script for run is supposed to eventually run `node app.js --watch` by running `node --run start` with the `--watch` parameter - but the name of the script was missing resulting in a syntax error.

Signed-off-by: Dor Kleiman <configurator@gmail.com>

Author: configurator

apps/site/pages/en/learn/command-line/run-nodejs-scripts-from-the-command-line.md

@@ -71,7 +71,7 @@ The [`--run`](https://nodejs.org/docs/latest-v22.x/api/cli.html#--run) flag allo
   "type": "module",
   "scripts": {
     "start": "node app.js",
-    "dev": "node --run -- --watch",
+    "dev": "node --run start -- --watch",
     "test": "node --test"
   }
 }