feat: add railway.json to use node server.js as start command

Signed-off-by: rigoryanych <rigoryanych1397@gmail.com>

Author: rigoryanych

railway.json

@@ -0,0 +1,11 @@
+{
+  "$schema": "https://railway.app/railway.schema.json",
+  "build": {
+    "builder": "NIXPACKS"
+  },
+  "deploy": {
+    "startCommand": "node server.js",
+    "restartPolicyType": "ON_FAILURE",
+    "restartPolicyMaxRetries": 10
+  }
+}