feat (EnvelopeReceiverReadOnly): Erstellt „data-transfer-objects“.

- Erstellt „Read-DTO“
 - Erstellt „Create-DTO
 - Erstellt „Update-DTO“ um nur „DateValid“ zu aktualisieren.

EnvelopeGenerator.Application/DTOs/EnvelopeReceiverReadOnly/EnvelopeReceiverReadOnlyCreateDto.cs

@@ -0,0 +1,11 @@
+namespace EnvelopeGenerator.Application.DTOs.EnvelopeReceiverReadOnly
+{
+    public record EnvelopeReceiverReadOnlyCreateDto(
+        long EnvelopeId,
+        string ReceiverMail,
+        DateTime DateValid,
+        string AddedWho)
+    {
+        public DateTime AddedWhen { get; } = DateTime.Now;
+    };
+}

EnvelopeGenerator.Application/DTOs/EnvelopeReceiverReadOnly/EnvelopeReceiverReadOnlyDto.cs

@@ -0,0 +1,13 @@
+namespace EnvelopeGenerator.Application.DTOs.EnvelopeReceiverReadOnly
+{
+    public record EnvelopeReceiverReadOnlyDto(
+        long Id,
+        long EnvelopeId,
+        string ReceiverMail,
+        DateTime DateValid,
+        DateTime AddedWhen,
+        string AddedWho,
+        EnvelopeDto? Envelope = null,              
+        string? ChangedWho = null,
+        DateTime? ChangedWhen = null);
+}

EnvelopeGenerator.Application/DTOs/EnvelopeReceiverReadOnly/EnvelopeReceiverReadOnlyUpdateDto.cs

@@ -0,0 +1,10 @@
+namespace EnvelopeGenerator.Application.DTOs.EnvelopeReceiverReadOnly
+{
+    public record EnvelopeReceiverReadOnlyUpdateDto(
+        long Id,
+        DateTime DateValid,
+        string ChangedWho)
+    {
+        public DateTime ChangedWhen { get; } = DateTime.Now;
+    };
+}