Adds explanation for Array.prototype.findIndex support for IE 11.

Author: janzenz

README.md

@@ -246,3 +246,5 @@ controlled manually thereafter.
 | Chrome        | Desktop   | latest  |
 | Firefox       | Desktop   | latest  |
 | Safari        | OSX       | latest  |
+
+>Note: This library does not have polyfill support for `Array.prototype.findIndex`, so if you require support **IE 11** you will need to add polyfill in your build or manually add it.

package.json

@@ -65,6 +65,10 @@
         {
             "name": "Cate Palmer",
             "url": "https://github.com/catepalmer"
+        },
+        {
+            "name": "Janzen Zarzoso",
+            "url": "https://github.com/janzenz"
         }
     ],
     "license": "MIT",