Add project files.

MareSynchronos/MareConfiguration/Models/CharaDataFavorite.cs

@@ -0,0 +1,8 @@
+namespace MareSynchronos.MareConfiguration.Models;
+
+[Serializable]
+public class CharaDataFavorite
+{
+    public DateTime LastDownloaded { get; set; } = DateTime.MaxValue;
+    public string CustomDescription { get; set; } = string.Empty;
+}