Add subcategories for "Snacks" (Morning, Afternoon, and Evening)

Currently, any food consumed outside of the main meals (Breakfast, Lunch, and Dinner) has to be logged under the generic "Snacks" category. This includes a morning rice cake, an afternoon cup of coffee, or a late-night banana after dinner.

Having all of these bundled together makes it difficult to track eating patterns throughout the day. It would be a massive improvement if we could have subcategories for snacks based on the time of day, such as:

Morning Snack

Afternoon Snack

Evening / Night Snack

This small change would make the food diary much more organized, visually clear, and accurate for tracking daily habits. Thank you!