added support for Radarr

code/Common/Configuration/SonarrConfig.cs

@@ -1,6 +1,6 @@
 namespace Common.Configuration;
 
-public sealed class SonarrConfig
+public sealed record SonarrConfig : ArrConfig
 {
-    public required List<SonarrInstance> Instances { get; set; }
+    public const string SectionName = "Sonarr";
 }