Added RangeTouch, updated Shr lib in demo

demo/index.html

@@ -107,12 +107,7 @@
 
                 <div class="call-to-action">
                     <span class="button--with-count">
-                        <a
-                            href="https://github.com/sampotts/plyr"
-                            target="_blank"
-                            class="button"
-                            data-shr-network="github"
-                        >
+                        <a href="https://github.com/sampotts/plyr" target="_blank" class="button js-shr-button">
                             <svg class="icon" role="presentation">
                                 <title>GitHub</title>
                                 <path
@@ -261,7 +256,7 @@
                 <a
                     href="https://twitter.com/intent/tweet?text=A+simple+HTML5+media+player+with+custom+controls+and+WebVTT+captions.&amp;url=http%3A%2F%2Fplyr.io&amp;via=Sam_Potts"
                     target="_blank"
-                    data-shr-network="twitter"
+                    class="js-shr-button"
                     >tweet it</a
                 >
                 👍
@@ -275,10 +270,7 @@
         ></script>
 
         <!-- Sharing libary (https://shr.one) -->
-        <script src="https://cdn.shr.one/1.0.1/shr.js" crossorigin="anonymous"></script>
-
-        <!-- Rangetouch to fix <input type="range"> on touch devices (see https://rangetouch.com) -->
-        <script src="https://cdn.rangetouch.com/1.0.1/rangetouch.js" async crossorigin="anonymous"></script>
+        <script src="https://cdn.shr.one/2.0.0-beta.2/shr.js" crossorigin="anonymous"></script>
 
         <!-- Docs script -->
         <script src="dist/demo.js" crossorigin="anonymous"></script>