feat: Implement pagination and filtering for linked offers by integration

- Refactored `listLinkedOffersByIntegration` to `paginateLinkedOffersByIntegration` in `MarketplaceRepository`.
- Added pagination support with `page` and `per_page` filters.
- Introduced sorting options for offers.
- Created `listOfferChannelsByIntegration` method to retrieve distinct sales channels.
- Enhanced SQL queries to support dynamic filtering based on provided parameters.

feat: Add new fields for products and SKU generation

- Introduced new fields: `new_to_date`, `additional_message`, `additional_message_required`, and `additional_message_text` in the `products` table.
- Added `findAllSkus` method in `ProductRepository` to retrieve all SKUs.
- Created `ProductSkuGenerator` class to handle SKU generation based on a configurable format.
- Implemented `nextSku` method to generate the next available SKU.

feat: Enhance product settings management in the UI

- Added new settings page for product SKU format in `SettingsController`.
- Implemented form handling for saving SKU format settings.
- Updated the view to include SKU format configuration options.

feat: Implement cron job for refreshing ShopPro offer titles

- Created `ShopProOfferTitlesRefreshHandler` to handle the cron job for refreshing offer titles.
- Integrated with the `OfferImportService` to import offers from ShopPro.

docs: Update database schema documentation

- Added documentation for new fields in the `products` table and new cron job for offer title refresh.
- Documented the purpose and structure of the `app_settings` table.

migrations: Add necessary migrations for new features

- Created migration to add `products_sku_format` setting in `app_settings`.
- Added migration to introduce new fields in the `products` table.
- Created migration for the new cron job schedule for refreshing ShopPro offer titles.

resources/views/settings/gs1.php

@@ -6,6 +6,7 @@
     <a class="settings-nav__link<?= ($activeSettings ?? '') === 'integrations' ? ' is-active' : '' ?>" href="/settings/integrations/shoppro"><?= $e($t('settings.integrations.title')) ?></a>
     <a class="settings-nav__link<?= ($activeSettings ?? '') === 'cron' ? ' is-active' : '' ?>" href="/settings/cron"><?= $e($t('settings.cron.title')) ?></a>
     <a class="settings-nav__link<?= ($activeSettings ?? '') === 'gs1' ? ' is-active' : '' ?>" href="/settings/gs1"><?= $e($t('settings.gs1.title')) ?></a>
+    <a class="settings-nav__link<?= ($activeSettings ?? '') === 'products' ? ' is-active' : '' ?>" href="/settings/products"><?= $e($t('settings.products.title')) ?></a>
   </nav>
 </section>