(www/R-shinyjs) Updated  2.0.0 to  2.1.0

# shinyjs 2.1.0 (2021-12-20)
- New feature: you can now reset all inputs on the page by calling
  `reset()` with no arguments (#222)
- New feature: Add a `removeEvent()` function which removes events
  added to HTML elements with `onclick()` or `onevent()` (#244)
- Fix bug: `disable()` did not work on nested download buttons (#223)
- Fix bug: Don't automatically namespace ID arguments in custom
  extendShinyjs functions (#229)
- Fix bug: ensure that `extendShinyjs()` functions don't overwrite
  native {shinyjs} functions (#230)

(mef)