Add Lidarr support (#30)

code/Domain/Models/Lidarr/Album.cs

@@ -0,0 +1,12 @@
+namespace Domain.Models.Lidarr;
+
+public sealed record Album
+{
+    public long Id { get; set; }
+    
+    public string Title { get; set; }
+    
+    public long ArtistId { get; set; }
+    
+    public Artist Artist { get; set; }
+}

code/Domain/Models/Lidarr/Artist.cs

@@ -0,0 +1,8 @@
+namespace Domain.Models.Lidarr;
+
+public sealed record Artist
+{
+    public long Id { get; set; }
+    
+    public string ArtistName { get; set; }
+}

code/Domain/Models/Lidarr/LidarrCommand.cs

@@ -0,0 +1,10 @@
+namespace Domain.Models.Lidarr;
+
+public sealed record LidarrCommand
+{
+    public string Name { get; set; }
+    
+    public List<long> AlbumIds { get; set; }
+    
+    public long ArtistId { get; set; }
+}