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

src/NadekoBot/Common/CmdStrings.cs

@@ -1,4 +1,5 @@
-using Newtonsoft.Json;
+#nullable disable
+using Newtonsoft.Json;
 
 namespace NadekoBot.Common;
 
@@ -13,4 +14,4 @@ public class CmdStrings
         Usages = usages;
         Description = description;
     }
-}
+}