Add instructional comments to 0.js

Added comments to provide instructions for the first activity.

Author: anitahy73

Sprint-1/2-mandatory-errors/0.js

@@ -1,2 +1,4 @@
+/*
 This is just an instruction for the first activity - but it is just for human consumption
-We don't want the computer to run these 2 lines - how can we solve this problem?
+We don't want the computer to run these 2 lines - how can we solve this problem?
+*/