feat: specify custom Discord base URL

for use with twilight_http_proxy or similar

PluralKit.Bot/BotConfig.cs

@@ -20,6 +20,8 @@ namespace PluralKit.Bot
 
         public string? GatewayQueueUrl { get; set; }
 
+        public string? DiscordBaseUrl { get; set; }
+
         public record ClusterSettings
         {
             public string NodeName { get; set; }

PluralKit.Bot/Modules.cs

@@ -48,7 +48,8 @@ namespace PluralKit.Bot
             {
                 var client = new Myriad.Rest.DiscordApiClient(
                     c.Resolve<BotConfig>().Token,
-                    c.Resolve<ILogger>()
+                    c.Resolve<ILogger>(),
+                    c.Resolve<BotConfig>().DiscordBaseUrl
                 );
 
                 client.OnResponseEvent += ((_, ev) =>