NadekoBot.Extensions should now be fully annotated with nullable reference types as well as many classes from NadekoBot.Common

src/NadekoBot/Common/Configs/BotConfig.cs

@@ -1,4 +1,5 @@
-using System.Globalization;
+#nullable disable
+using System.Globalization;
 using Cloneable;
 using NadekoBot.Common.Yml;
 using SixLabors.ImageSharp.PixelFormats;
@@ -188,4 +189,4 @@ public enum ConsoleOutputType
     Normal = 0,
     Simple = 1,
     None = 2,
-}
+}