add logic to query health api

[cch5ng]

https://developer.nutritionix.com/docs/v1_1

[cch5ng]

• need to add some documentation that the calories are for one serving of the food item and you may need to refer to the nutrition label for the serving size

[cch5ng]

• after moving current main.js (model view logic) into its own /views/foodView.js file
  • need to create a helper function that allows phrase entry as a query term (need to replace ' ' with '%20')

[cch5ng]

api query format: https://api.nutritionix.com/v1_1/search/mcdonalds?results=0:20&fields=item_name,brand_name,item_id,nf_calories&appId=APPID&appKey=APPKEY

[cch5ng]

• need to figure out how to display the query results
  • note that even if the content is displayed, it should not be added to the model yet? b/c the content might be thrown out with the next search...
  • skim addy's view logic but need to look at the next example to see how the rendering should work

[cch5ng]

create a template to display food items

• name
• brand name
• calories

[cch5ng]

spent a lot of time troubleshooting display of content from model and template issue was that underscore + backbone template syntax is <%= to start the model var and %> to end the model var (equiv to angular {{ }})

[cch5ng]

also fixed the logic to display search results using backbone model and underscore template d6e321e02bbb9262781cd195c02ae75018f86e48