Swap to dapper and system.text.json for database backend

src/NzbDrone.Core/CustomFormats/CustomFormatDefinition.cs

@@ -0,0 +1,14 @@
+using System.Collections.Generic;
+using NzbDrone.Core.Datastore;
+
+namespace NzbDrone.Core.CustomFormats
+{
+    public class CustomFormatDefinition : ModelBase
+    {
+        public string Name { get; set; }
+
+        public List<FormatTag> FormatTags { get; set; }
+
+        public static implicit operator CustomFormat(CustomFormatDefinition def) => new CustomFormat { Id = def.Id, Name = def.Name, FormatTags = def.FormatTags };
+    }
+}