feat: add all equipment view with sorting, print functionality, and UI improvements

- Add "Всё оборудование" menu item with equipment sorted by inventory number
- Add row numbering in all equipment view
- Add print functionality for auditory view with "Проверено" column
- Hide unnecessary columns (quantity, type, owner) when printing
- Make cards full-width and responsive (container-fluid)
- Consolidate CSS styles from static/css/index.css to frontend/styles.css
- Fix text wrapping in "Расположение" column
- Add sort_by_inv parameter to /oboruds/ API endpoint

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/routers/oboruds.py

@@ -15,10 +15,12 @@ def create_oborud(item: schemas.OborudCreate, db: Session = Depends(database.get
     return obj
 
 @oboruds.get("/", response_model=list[schemas.OborudRead])
-def list_oboruds(aud_id: Optional[int] = None, db: Session = Depends(database.get_db)):
+def list_oboruds(aud_id: Optional[int] = None, sort_by_inv: bool = False, db: Session = Depends(database.get_db)):
     query = db.query(models.Oboruds)
     if aud_id is not None:
         query = query.filter(models.Oboruds.aud_id == aud_id)
+    if sort_by_inv:
+        query = query.order_by(models.Oboruds.invNumber.asc())
     return query.all()
 
 @oboruds.get("/{oborud_id}", response_model=schemas.OborudRead)