add ramdisk, load AI model to ramdisk and start recognition from it

rewrite zmq to DEALER and ROUTER
add GET_USER command to get CurrentUser from Python
all auth is on the python side
inference run and validate annotations on python

Azaion.CommonSecurity/ZeroMQExtensions.cs

@@ -0,0 +1,16 @@
+using MessagePack;
+using NetMQ;
+using NetMQ.Sockets;
+
+namespace Azaion.CommonSecurity;
+
+public static class ZeroMqExtensions
+{
+    public static T? Get<T>(this DealerSocket dealer, out byte[] message)
+    {
+        if (!dealer.TryReceiveFrameBytes(TimeSpan.FromMinutes(2), out var bytes))
+            throw new Exception($"Unable to get {typeof(T).Name}");
+        message = bytes;
+        return MessagePackSerializer.Deserialize<T>(bytes);
+    }
+}