Added main.py file as main entry point and changed some other files

[architmishra-15]

Following things have been added -

1. main.py as an entry point to the program for the user to easily get ready and started with.
2. created requirments.txt and pyproject.toml files for module version managements.
3. Created .evn file to store sensitive datas like API keys.

Added some more information in the README.md file, explaining how to get started with and removed the extra readme file.

[singhmanasmay]

ayo what we need the watchdog for?

[architmishra-15]

What watchdog? main.py ? It'll be a starting point in the code, so that user should know which file to run, and the user needs to run only one file and everything would be done by it.

Even I, when I first read the code, I wanted to run it and check its working, but couldn't find the file I should run to check. So I created one for convenience and as standard practice