feat: add Food Gallery category to image gallery

- Add 'food' category filter in ImageGallery component
- Add '🍽️ Food Gallery' section in sectionCategories
- Update filteredImages logic to handle food category
- Clean up duplicate logo/favicon images in database

sql/remove-duplicate-images.sql

@@ -0,0 +1,20 @@
+-- Remove duplicate images, keeping only the most recent one per (filename, location_target, data length)
+-- This handles upload accidents where same image was uploaded multiple times
+
+-- First, identify duplicates
+-- SELECT filename, location_target, COUNT(*) as dupes, array_agg(id) as ids 
+-- FROM images GROUP BY filename, location_target, LENGTH(data) HAVING COUNT(*) > 1;
+
+-- Delete duplicates, keeping the latest (highest id) per group
+DELETE FROM images a
+USING images b
+WHERE a.id < b.id
+  AND a.filename = b.filename
+  AND a.location_target = b.location_target
+  AND LENGTH(a.data) = LENGTH(b.data);
+
+-- Verify cleanup
+SELECT filename, location_target, COUNT(*) as count
+FROM images
+GROUP BY filename, location_target, LENGTH(data)
+HAVING COUNT(*) > 1;