feat: Started Game controller - needs more error handling and handling for 404’s

gaseous-server/Program.cs

@@ -28,6 +28,9 @@ builder.Services.AddControllers().AddJsonOptions(x =>
 {
     // serialize enums as strings in api responses (e.g. Role)
     x.JsonSerializerOptions.Converters.Add(new JsonStringEnumConverter());
+
+    // suppress nulls
+    x.JsonSerializerOptions.DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull;
 });
 
 // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle