Make search queries case insensitive

postgres/categories.sql.go

@@ -122,7 +122,7 @@ SELECT CONCAT(category_groups.name, ' : ', categories.name) as name, categories.
 FROM categories
 INNER JOIN category_groups ON categories.category_group_id = category_groups.id
 WHERE category_groups.budget_id = $1
-AND categories.name LIKE $2
+AND categories.name ILIKE $2
 ORDER BY category_groups.name, categories.name
 `