Put gathering requirements at the start

It's good grounding for thinking through the rest of the prep this week,
and also this way it doesn't break up the flow of the problem being
worked through.

org-cyf-itp/content/data-flows/sprints/2/prep/index.md

@@ -6,15 +6,15 @@ emoji= '📝'
 menu_level = ['sprint']
 weight = 1
 [[blocks]]
+name="Gathering requirements"
+src="module/js3/gathering-requirements"
+[[blocks]]
 name="Reacting"
 src="module/js3/reacting"
 [[blocks]]
 name="Step-through-prep workshop"
 src="https://www.youtube.com/watch?v=7kYwo6W89j4"
 [[blocks]]
-name="Gathering requirements"
-src="module/js3/gathering-requirements" 
-[[blocks]]
 name="Breaking down the problem"
 src="module/js3/break-down"
 [[blocks]]