Accessibility attributes

[mitera]

Please add accessibility attributes like aria-expanded="false", aria-expanded="true" when the dropdown is displayed.

[ghiscoding]

I added plenty of Aria stuff, if that is not enough then please Contribute a Pull Request since I don't intend to do more and I don't quite understand all options of the Aria topic

oops that was another project that I added many Aria, but regardless please contribute

[ghiscoding]

that should be fixed now in v1.1.1