initial js--called at page load

lms/static/coffee/src/staff_grading/staff_grading.coffee

-class @StaffGrading
+# wrap everything in a class in case we want to use inside xmodules later
+class StaffGrading
   constructor: ->
     alert('hi!')
 
-    
+  load: ->
\ No newline at end of file
+    alert('loading')
+
+# for now, just create an instance and load it...
+grading = new StaffGrading
+$(document).ready(grading.load)