add option to pause clips after play

app/static/js/ascroll.js

@@ -110,10 +110,14 @@ function timeupdate(event) {
                 event.target.pause()
             }
             */
+            if (config.pause) {
+                event.target.pause()
+            } else {
                 event.target.currentTime = in_
             }
         }
     }
+}
 
 function formatInfo(config, ascroll) {
     var h1 = document.createElement('h1')