begin developing a basic message based web api

Pilz.Networking/Api/ApiMessage.cs

@@ -0,0 +1,14 @@
+namespace Pilz.Networking.Api;
+
+public abstract class ApiMessage
+{
+    internal protected virtual string? Serialize(ApiMessage message)
+    {
+
+    }
+
+    internal protected virtual ApiMessage? Deserialize(string json)
+    {
+
+    }
+}