* frontend contains the index.html -- run to see the page
*open the .py fast api files in PyCharm install necessary packages: 
Install these modules
======================

pip install mysql-connector
pip install "fastapi[all]"
* run  : uvicorn main:app --reload to host : give http
* for dialogflow it need https format in integration so run the ngork.exe:
       with : ngrok http 8000
*https is generated paste it on dialgflow. and open webdemo and open the link..you get a link there paste that on frontend to get that chat bot!