Can provide full html support？

[hoixding]

When I read code in file suffix as html，such as "test.html",the CSS code in it without code highlight and the JS code with less highlight. can it be improve?

please forgive my terrible english.

`Notepad3 (x64) v5.21.227.1 (620dd685) Compiler: MS Visual C++ 2019 v16.8.(5-6) (VC v1928) OS Version: Windows 10 Version 2009 (Build 19042) Scintilla v446 Oniguruma v6.9.6

• Locale -> zh-CN (CP:'ANSI (CP-936)')
• Current Encoding -> 'Unicode (UTF-8)'
• Screen-Resolution -> 1920 x 1080 [pix]
• Display-DPI -> 119 x 119 (Scale: 124%).
• Rendering-Technology -> 'DIRECT-WRITE'
• Zoom -> 110%.
• Process is elevated.
• User is in Admin-Group.
• Current Lexer -> 'Web 源代码' `

[maboroshin]

Better title: highlight style/script contents in Web source code

Partial duplicate: https://github.com/rizonesoft/Notepad3/issues/2061 (Mentioned only the style element)