Add support to marquee html tag

[rabismail]

Please provide a way to render html tag

you can make use of this package

Here is an example:

<marquee behavior="scroll" direction="right" scrollamount="10"><b><font color="#E74C3C">Marquee html text sample.</font></b></marquee>

https://github.com/Sub6Resources/flutter_html/assets/125277581/e5303b89-70bb-490e-95a6-7280c0e3a09e