Add converters from CICM Metadata to Aaru Metadata.

AaruMetadata/PS3.cs

@@ -36,15 +36,23 @@
 // Copyright © 2011-2023 Natalia Portillo
 // ****************************************************************************/
 
-
-
 // ReSharper disable UnusedMember.Global
 // ReSharper disable ClassNeverInstantiated.Global
 
+using System;
+using Schemas;
+
 namespace Aaru.CommonTypes.AaruMetadata;
 
 public class Ps3Encryption
 {
     public string Key    { get; set; }
     public string Serial { get; set; }
+
+    [Obsolete("Will be removed in Aaru 7")]
+    public static implicit operator Ps3Encryption(PS3EncryptionType cicm) => cicm is null ? null : new Ps3Encryption
+    {
+        Key    = cicm.Key,
+        Serial = cicm.Serial
+    };
 }