Solution cleanup. Implement stubs for all remaining services. Add API models. Move configuration to appsettings.

src/Models/Entities/EntityIUserMovie.cs

@@ -0,0 +1,14 @@
+using MariesWonderland.Models.Type;
+
+namespace MariesWonderland.Models.Entities;
+
+public class EntityIUserMovie
+{
+    public long UserId { get; set; }
+
+    public int MovieId { get; set; }
+
+    public long LatestViewedDatetime { get; set; }
+
+    public long LatestVersion { get; set; }
+}