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

src/NadekoBot/Common/Yml/Yaml.cs

@@ -1,4 +1,5 @@
-using YamlDotNet.Serialization;
+#nullable disable
+using YamlDotNet.Serialization;
 
 namespace NadekoBot.Common.Yml;
 
@@ -23,4 +24,4 @@ public class Yaml
             .WithTypeConverter(new UriConverter())
             .IgnoreUnmatchedProperties()
             .Build();
-}
+}