New generation smart calendar

For backend code:

1. Execute code from the backend folder only.
2. Obtain azure openapi endpoint and key to run the ai code. Also make sure to have some model deployed like 'gpt-4o`.
3. Populate the database if not already using refreshDB.cmd residing in the backend folder.
4. Run the backend APIs using npm start command.
5. Hit http://localhost:8080/generateschedule/1 in the browser and voila! :D

For frontend code:

1. Execute code from the frontend folder only.
2. Run npm install to install all the dependencies.
3. Run npm start to run the react server. It would automatically open browser on port 3000.