Go back to swagger in regards to #3376, add cmdline switch to force openapi

ArchiSteamFarm/Program.cs

@@ -59,6 +59,7 @@ internal static class Program {
 	internal static bool Service { get; private set; }
 	internal static bool ShutdownSequenceInitialized { get; private set; }
 	internal static bool SteamParentalGeneration { get; private set; } = true;
+	internal static bool UseOpenApi { get; private set; }
 
 	private static readonly Dictionary<PosixSignal, PosixSignalRegistration> RegisteredPosixSignals = new();
 	private static readonly TaskCompletionSource<byte> ShutdownResetEvent = new();
@@ -610,6 +611,10 @@ internal static class Program {
 				case "--SYSTEM-REQUIRED" when noArgumentValueNext():
 					SystemRequired = true;
 
+					break;
+				case "--USE-OPENAPI" when noArgumentValueNext():
+					UseOpenApi = true;
+
 					break;
 				default:
 					if (cryptKeyNext) {