Fix Build Errors

PluralKit.Bot/Extensions.cs

@@ -0,0 +1,23 @@
+using DSharpPlus;
+
+using System.Net.WebSockets;
+
+namespace PluralKit.Bot
+{
+    static class Extensions
+    {
+        //Unfortunately D#+ doesn't expose the connection state of the client, so we have to test for it instead
+        public static bool IsConnected(this DiscordClient client)
+        {
+            try
+            {
+                client.GetConnectionsAsync().GetAwaiter().GetResult();
+            }
+            catch(WebSocketException)
+            {
+                return false;
+            }
+            return true;
+        }
+    }
+}