Applied codestyle to all .cs files

src/NadekoBot/Common/SmartText/SmartTextEmbedAuthor.cs

@@ -1,4 +1,4 @@
-#nullable disable
+#nullable disable
 using Newtonsoft.Json;
 
 namespace NadekoBot;
@@ -6,7 +6,9 @@ namespace NadekoBot;
 public class SmartTextEmbedAuthor
 {
     public string Name { get; set; }
+
     [JsonProperty("icon_url")]
     public string IconUrl { get; set; }
+
     public string Url { get; set; }
-}
+}