feat: alphabet list, change Layout etc

test/database_migration_test.dart

@@ -2,7 +2,7 @@ import 'package:drift/native.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:kooltap/database/app_database.dart';
 
-/// The parts of the v12 schema that the v13 migration touches.
+/// The parts of the v12 schema that the v13 and v14 migrations touch.
 const _v12Schema = [
   'CREATE TABLE bar_tabs (id TEXT NOT NULL, customer_name TEXT NOT NULL, '
       "status TEXT NOT NULL DEFAULT 'open', opened_at INTEGER NOT NULL, "
@@ -15,6 +15,13 @@ const _v12Schema = [
   'CREATE TABLE tab_item_purchases (id TEXT NOT NULL, '
       'tab_item_id TEXT NOT NULL, purchased_at INTEGER NOT NULL, '
       'removed_at INTEGER NULL, PRIMARY KEY (id))',
+  'CREATE TABLE products (id TEXT NOT NULL, name TEXT NOT NULL, '
+      'category TEXT NOT NULL, stock_quantity INTEGER NOT NULL, '
+      'low_stock_threshold INTEGER NOT NULL, price_in_cents INTEGER NOT NULL, '
+      'image_path TEXT NULL, active INTEGER NOT NULL DEFAULT 1, '
+      'PRIMARY KEY (id))',
+  "INSERT INTO products VALUES ('prod-1', 'Beer', 'Drinks', 20, 5, 400, "
+      'NULL, 1)',
   "INSERT INTO bar_tabs VALUES ('tab-1', 'Alice', 'open', 1700000000, NULL, 4)",
   "INSERT INTO tab_items VALUES ('item-1', 'tab-1', 'prod-1', 'Beer', 3, 400, "
       '1700000100)',
@@ -68,6 +75,13 @@ void main() {
     expect(purchases.where((row) => row.removedAt != null), hasLength(1));
   });
 
+  test('gives existing products a counted stock', () async {
+    final product = await database.select(database.products).getSingle();
+
+    expect(product.infiniteStock, false);
+    expect(product.stockQuantity, 20);
+  });
+
   test('deletes purchases whose item no longer exists', () async {
     final orphan = await (database.select(
       database.tabItemPurchases,