Remove sharing option from app launch and add python-Levenshtein to requirements

app.py

@@ -61,4 +61,4 @@ def create_app():
 
 if __name__ == "__main__":
     app = create_app()
-    app.queue().launch(share=True)
+    app.queue().launch()

requirements.txt

@@ -1,2 +1,3 @@
+python-Levenshtein
 fuzzywuzzy
 python-dotenv