Update README.md

Author: Atlinx

README.md

@@ -201,7 +201,7 @@ public override GDDictionary UnserializeInput(byte[] serialized)
 
 ### C# Network Nodes
 
-![csharp_network_nodes](assets\screenshots\csharp_network_nodes.png)
+![csharp_network_nodes](assets/screenshots/csharp_network_nodes.png)
 
 This addons also comes with C# network nodes for RNG, timing, and