feat: add FormKit framework support and update dependencies

- Add `telecart_forms` table migration and default checkout form seeder
- Implement `FormsHandler` to fetch form schemas
- Update `OrderCreateService` to handle custom fields in order comments
- Add `update` method to QueryBuilder and Grammar
- Add `Arr::except` helper
- Update composer dependencies (Carbon, Symfony, PHPUnit, etc.)
- Improve `MigratorService` error handling
- Add unit tests for new functionality

frontend/spa/tailwind.config.js

@@ -2,6 +2,7 @@ module.exports = {
     content: [
         "./index.html",
         "./src/**/*.{vue,js,ts,jsx,tsx}",
+        "./formkit.theme.mjs",
     ],
     theme: {
         extend: {