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

src/NadekoBot/Common/Yml/MultilineScalarFlowStyleEmitter.cs

@@ -1,4 +1,5 @@
-using YamlDotNet.Core;
+#nullable disable
+using YamlDotNet.Core;
 using YamlDotNet.Serialization;
 using YamlDotNet.Serialization.EventEmitters;
 
@@ -26,4 +27,4 @@ public class MultilineScalarFlowStyleEmitter : ChainedEventEmitter
 
         nextEmitter.Emit(eventInfo, emitter);
     }
-}
+}