[DOCS] Improve Documentation

[ish-u]

Description

• Add a description about the Project , how it works and how somebody can use it
• Add Demo Images/GIFs , Link to Live Demo
• Add Contirbution Guide -> Steps to setup Local Development , Steps to Create a PR , Contribution Guidelines
• Add Mock Data for Development - I don't quite understand how GitHub Actions works (some web socket events ig) but I guess it would be better to have some Mock Data while developing the FrontEnd.

[vedant-z]

@ish-u May I take the 2nd sub-issue? Adding Demo images...

[amandamartin-dev]

Sure, assigned!