Simple hex excercises

Bryan Allred bdef20de24 Added model binding and some visual aides 13 ans auparavant
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app.js bdef20de24 Added model binding and some visual aides 13 ans auparavant
controllers.js bdef20de24 Added model binding and some visual aides 13 ans auparavant
utilities.js bdef20de24 Added model binding and some visual aides 13 ans auparavant