Update .getValue() - number of words entered

inst/shiny-input-app/dev-shiny-input.Rmd

 
 Update `.getValue()` to
 
-1. Return the number of characters the user has typed
+1. Return the number of characters the user has typed (`r github_sha_link("b3958d5e3f60fbac3a0100673696bd413a276fb4")`)
+
+1. Return the number of words the user has entered

inst/shiny-input-app/typing.js

     // your input. In this function, find or construct the value that will be
     // returned to Shiny. The ID of `el` is used for the inputId.
 
-    return el.value.length;
+    return el.value.split(' ').length;
   },
   setValue: function(el, value) {
     // This method is used for restoring the bookmarked state of your input