Update README.md

Final update to the Readme file

added screenshorts for updating the readme file

took scrren shorts and kept it into a folder for readme

updated the api key

final update

updated the readme file to add more content for better readle format

mofied the file CONTRIBUTING.MD

added LICIENSE

added files like license contributing

updated the app.py for better debugging

also added the test folder in the frontend

added a test directory in the backend folder for code reliability and simplifies future maintenance.

made changes to api

improved the response for more accurate response