build(deps-dev): add eslint, peer dep of neostandard (#396)

Author: Fdawgs

package.json

@@ -32,6 +32,7 @@
     "@fastify/websocket": "^11.0.1",
     "@types/node": "^22.0.0",
     "@types/ws": "^8.5.10",
+    "eslint": "^9.17.0",
     "express": "^4.19.2",
     "express-http-proxy": "^2.0.0",
     "fast-proxy": "^2.1.0",