chore: continue porting code and adding test coverage

src/StevesBot.Worker/Discord/DiscordClientOptions.cs

@@ -1,8 +1,8 @@
 namespace StevesBot.Worker.Discord;
 
-internal class DiscordClientOptions
+internal sealed class DiscordClientOptions
 {
   public string ApiUrl { get; init; } = string.Empty;
   public string AppToken { get; init; } = string.Empty;
   public int Intents { get; init; }
-}
+}