Add new controllers for file management and product archiving

- Introduced FilemanagerController to handle file manager access and URL generation.
- Added ProductArchiveController for managing archived products, including listing and unarchiving functionality.
- Implemented Site class with methods for finalizing admin login and handling special actions.
- Created ShopProduct control class for managing product operations, including mass editing, product duplication, and image handling.
- Added necessary methods for product management, including saving, deleting, and changing product statuses.

DATABASE_STRUCTURE.md

@@ -138,3 +138,24 @@ Pliki artykułów.
 | src | Ścieżka do pliku |
 
 **Używane w:** `Domain\Article\ArticleRepository::find()`
+
+## pp_units
+Jednostki/slowniki (np. jednostki produktu).
+
+| Kolumna | Opis |
+|---------|------|
+| id | PK |
+
+**Używane w:** `Domain\Dictionaries\DictionariesRepository`, `admin\controls\ShopProduct`
+
+## pp_units_langs
+Tlumaczenia jednostek (per jezyk).
+
+| Kolumna | Opis |
+|---------|------|
+| id | PK |
+| unit_id | FK do pp_units |
+| lang_id | ID jezyka (np. 'pl') |
+| text | Nazwa jednostki |
+
+**Używane w:** `Domain\Dictionaries\DictionariesRepository`