feat(vbn): added router config

vbn/router-config.json

@@ -0,0 +1,16 @@
+{
+  "routingDefaults": {
+      "walkSpeed": 1.3,
+      "transferSlack": 120,
+      "maxTransfers": 4,
+      "waitReluctance": 0.95,
+      "waitAtBeginningFactor": 0.7,
+      "walkReluctance": 1.75,
+      "stairsReluctance": 1.65,
+      "walkBoardCost": 540,
+      "comment": "Ignore walkOnStreetReluctance as implementation is too simple and causes unexpected detours",
+      "ignored_walkOnStreetReluctance": 1.5,
+      "carParkCarLegWeight": 2,
+      "itineraryFiltering": 1.0
+  }
+}

vbn/router-config.json.md

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+# router-config.json
+The router config has been copied from [Stadtnavi tutorial](https://github.com/stadtnavi/stadtnavi-tutorial/blob/main/02-otp-and-graph-building/router-config.json).