Update app.py

app.py

@@ -8,6 +8,10 @@ models = {
     'German': 'Helsinki-NLP/opus-mt-en-de',
     'Italian': 'Helsinki-NLP/opus-mt-en-it',
     'Portuguese': 'Helsinki-NLP/opus-mt-en-pt',
+    'Urdu': 'Helsinki-NLP/opus-mt-en-ur',
+    'Punjabi': 'Helsinki-NLP/opus-mt-en-pa',  # English to Punjabi model
+    'Sindhi': 'Helsinki-NLP/opus-mt-en-sd',  # English to Sindhi model (if available, else use a different model)
+    'Arabic': 'Helsinki-NLP/opus-mt-en-ar', 
     # Add more language models if needed
 }