2. Taco Lab (XML)
Read the file taco.xml and make an array of Taco Ingredient objects from
it. Place the ingredients in a drop-down select. Display the information of the selected ingredient.
Provide the user an ADD button and a textarea to add ingredients to his/her taco. Keep track of and display
at least three running totals (e.g. for Calories, Fat and Protein) that display the results
for the user's selected ingredients. Have a CLEAR button that empties out the textarea and sets the
running totals back to 0.