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

src/NadekoBot/Modules/Searches/Searches.cs

@@ -1,4 +1,5 @@
-using AngleSharp;
+#nullable disable
+using AngleSharp;
 using AngleSharp.Html.Dom;
 using Microsoft.Extensions.Caching.Memory;
 using NadekoBot.Modules.Searches.Common;
@@ -733,4 +734,4 @@ public partial class Searches : NadekoModule<SearchesService>
         await ErrorLocalizedAsync(strs.specify_search_params).ConfigureAwait(false);
         return false;
     }
-}
+}