Improve Tailwind CSS regex for VSCode extension

[DianaNites]

Improved regex for Tailwind CSS class support in VSCode.

Specifically, this now recognizes constructs such as below

rsx! {
  div {
    class: "bg-<autocomplete triggers>", //this worked before
    class: if truthy { "bg-<autocomplete triggers>" } else { "text-<autocomplete triggers>" }, //this newly works
    // class: "but this is excluded because its a comment", //this *stops* triggering intellisense
  }
}

edit: actually in if truthy { a } else { b }, only b will be detected by this regex, a will not match. i dont know how to fix it so whatever,