Moved relevant application layer enums and value objects to the domain layer.

JSMR.Domain/Enums/VoiceWorkStatus.cs

@@ -0,0 +1,9 @@
+namespace JSMR.Domain.Enums;
+
+public enum VoiceWorkStatus
+{
+    Available = 0,
+    Upcoming = 1,
+    NewRelease = 2,
+    NewAndUpcoming = 3
+}