aktualizacja modułu dpd

modules/dpdshipping/README.md

@@ -0,0 +1,13 @@
+## Troubleshooting
+
+1. **Clear Cache**:
+    - To clear the cache, run the following command in the main PrestaShop directory:
+   ```bash
+   php bin/console cache:clear
+   ```
+
+2. **Update Libraries**:
+    - To update the libraries, run the following command in the `modules/dpdshipping` directory:
+   ```bash
+   composer install
+   ```