updates to the outline, link presentation for week 6

Author: cewing

source/main/outline.rst

@@ -437,6 +437,8 @@ Django ORM (and ORMs in general) can help shield Python developers from SQL.
 For our homework, we'll take a look at a set of specifications for a project
 and create a set of Django Models that will fulfill the specification.
 
+`Week 6 Presentation <presentations/week06.html>`_
+
 Reading
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