Update package.json

Signed-off-by: Frazer Smith <frazer.dev@icloud.com>

Author: Fdawgs

package.json

@@ -31,6 +31,7 @@
     "@fastify/type-provider-typebox": "^5.0.0",
     "@types/node": "^22.0.0",
     "@types/ws": "^8.5.10",
+    "eslint": "^9.17.0",
     "fastify": "^5.0.0",
     "fastify-tsconfig": "^2.0.0",
     "neostandard": "^0.12.0",