Add recipes from ingredients.

[chiptopher]

Feature Request

As a user, I would like the ability to create recipes that consist of a list of ingredients and the count of servings of that ingredient.

Related to #14 .

Optional user story format:

Context

Part of a list of features allowing users to keep track of their intake.

Acceptance Criteria

When I can select ingredients, associate servings with those weights, and save it as a recipe.