LibURL+LibWebView: Move public suffix data to LibURL

Author: https://github.com/AtkinsSJ
Commit: 3124dca528
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2610
Reviewed-by: https://github.com/shannonbooth ✅

Libraries/LibURL/URL.h

@@ -199,6 +199,9 @@ URL create_with_url_or_path(ByteString const&);
 URL create_with_file_scheme(ByteString const& path, ByteString const& fragment = {}, ByteString const& hostname = {});
 URL create_with_data(StringView mime_type, StringView payload, bool is_base64 = false);
 
+bool is_public_suffix(StringView host);
+Optional<String> get_public_suffix(StringView host);
+
 }
 
 template<>