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

src/NadekoBot/Services/Impl/BotCredsProvider.cs

@@ -1,4 +1,5 @@
-using Microsoft.Extensions.Configuration;
+#nullable disable
+using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Primitives;
 using NadekoBot.Common.Yml;
 using Newtonsoft.Json;
@@ -173,4 +174,4 @@ public sealed class BotCredsProvider : IBotCredsProvider
     }
 
     public IBotCredentials GetCreds() => _creds;
-}
+}