Changed table heading in food_items.html to indicate values are per 100g/100ml and applied 'bg-body-tertiary' class to table cells for improved readability. Updated add_food_item.html to use 'form-control-plaintext' for the readonly barcode field for better display consistency.
Implemented routes and forms for adding and viewing food items by barcode, including templates for displaying and entering nutritional information. Enhanced the scan workflow to redirect to food item details or entry form. Added admin ability to delete food items. Improved UI for login and scan pages. Updated FoodItem model and form fields for consistency and accuracy.