Cover the scenarios gap with datastar

Let find examples of dmax updating css, style, links, canvas, etc. unusual attributes. May be dmax lacks to cover some of those scenarios or may we can use dmax more compact and systematic syntax to covers those?

The goal of this issue is research were a we lacking comparing to datastar and fill the missing gaps in dmax.js and index.html (tests/examples). E.g. do we need data-attr and other not yet present in dmax datastar attributes or can we (better) make a more simplier and orthogonal design.

Again, we do not need to blindly copy - we need to be sure we support the cases functionaly on our own design basis.

We can build a feature parity matrix first - snd address the gaps or do some other cmparative analisys.