Switch to smaller model to fix storage limit

backend/app.py

@@ -16,9 +16,8 @@ except Exception as e:
 print("--------------------------")
 
 print("Loading zero-shot classification model...")
-classifier = pipeline("zero-shot-classification", model="facebook/bart-large-mnli")
+classifier = pipeline("zero-shot-classification", model="valhalla/distilbart-mnli-12-3")
 print("Model loaded successfully.")
-
 database.init_db()
 
 POSSIBLE_LABELS = ["Work", "Promotions", "Personal", "Spam", "Important"]