* Added Excel generation for Marelli

* Added Logo

SytelineSaAppEfDataModel/Dtos/WzClientDto.cs

@@ -8,4 +8,5 @@ public class WzClientDto
     public DateTime CreatedDate { get; set; }
     public string Name { get; set; }
     public string ShortName { get; set; }
+    public string? LogoBase64 { get; set; } 
 }

SytelineSaAppEfDataModel/Dtos/WzHeaderDto.cs

@@ -8,4 +8,5 @@ public class WzHeaderDto
     public string? EmailAddresses { get; set; }
     public string? WzNumbers { get; set; }
     public IEnumerable<WzRowMeyleDto> WzRowsMeyle { get; set; } = new List<WzRowMeyleDto>();
+    public IEnumerable<WzRowMarelliDto> WzRowsMarelli { get; set; } = new List<WzRowMarelliDto>();
 }