add express types to remix dev dependencies

Author: lobsterkatie

packages/remix/package.json

@@ -34,6 +34,7 @@
   "devDependencies": {
     "@remix-run/node": "^1.4.3",
     "@remix-run/react": "^1.4.3",
+    "@types/express": "latest",
     "portfinder": "^1.0.28"
   },
   "peerDependencies": {