Fix gestione allegati e creato metodo di esportazione log

SteUp.Shared/Core/Dto/SendEmailDto.cs

@@ -0,0 +1,33 @@
+using System.Text.Json.Serialization;
+
+namespace SteUp.Shared.Core.Dto;
+
+public class SendEmailDto
+{
+    [JsonPropertyName("from")]
+    public string? From { get; set; }
+    
+    [JsonPropertyName("fromName")]
+    public string? FromName { get; set; }
+    
+    [JsonPropertyName("to")]
+    public string? To { get; set; }
+    
+    [JsonPropertyName("subject")]
+    public string? Subject { get; set; }
+    
+    [JsonPropertyName("msgText")]
+    public string? MsgText { get; set; }
+    
+    [JsonPropertyName("html")]
+    public bool IsHtml { get; set; }
+    
+    [JsonPropertyName("attachments")]
+    public List<AttachmentsDto>? Attachments { get; set; }
+
+    public class AttachmentsDto
+    {
+        public string FileName { get; set; } = string.Empty;
+        public byte[] FileContent { get; set; } = [];
+    }
+}