feat(HashAlgorithmNameConverter): Erstellt für benutzerfreundlichere json de/serilization.

- DI-Erweiterungsmethoden hinzugefügt

DigitalData.Core.Security/HashAlgorithmNameConverter.cs

@@ -0,0 +1,13 @@
+using System.Security.Cryptography;
+using System.Text.Json.Serialization;
+using System.Text.Json;
+
+namespace DigitalData.Core.Security
+{
+    public class HashAlgorithmNameConverter : JsonConverter<HashAlgorithmName>
+    {
+        public override HashAlgorithmName Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options) => new(reader.GetString() ?? string.Empty);
+
+        public override void Write(Utf8JsonWriter writer, HashAlgorithmName value, JsonSerializerOptions options) => writer.WriteStringValue(value.Name);
+    }
+}