Add ability to favorite a recipe to RecipeDisplay component

[jacobdman]

We have the endpoint available, let's add the ability to add a recipe to a users favorites!

• [x] Update the RecipeDisplay component to show a favorite icon (this can be a heart, a plus, or even a chefs hat??)
• [x] When this button is clicked, make a POST request the v1/users/:id/recipe/:id/favorite endpoint