LibCore: Add comment with link to mime registry to MimeData.cpp

Author: https://github.com/nico
Commit: 2467374ea9
Pull-request: https://github.com/SerenityOS/serenity/pull/24016
Reviewed-by: https://github.com/LucasChollet ✅
Reviewed-by: https://github.com/trflynn89 ✅

Userland/Libraries/LibCore/MimeData.cpp

@@ -63,6 +63,8 @@ static Array constexpr s_plaintext_suffixes = {
     "CMakeLists.txt"sv,
 };
 
+// See https://www.iana.org/assignments/media-types/<mime-type> for a list of registered MIME types.
+// For example, https://www.iana.org/assignments/media-types/application/gzip
 static Array const s_registered_mime_type = {
     MimeType { .name = "application/gzip"sv, .common_extensions = { ".gz"sv, ".gzip"sv }, .description = "GZIP compressed data"sv, .magic_bytes = Vector<u8> { 0x1F, 0x8B } },
     MimeType { .name = "application/javascript"sv, .common_extensions = { ".js"sv, ".mjs"sv }, .description = "JavaScript source"sv },