Beautify readme

[himanshu007-creator]

I would like to work on it. I will

• create banner
• improve documentation if needed
• use emojis

[welcome]

Hello there!👋 Welcome to the project!🚀⚡

Thank you and congrats🎉 for opening your very first issue in this project. EventManagerBot is a bot which helps User/Organization to handle the registration and confirmation of RSVPs & Registrations of the users through Telegram with the help of MongoDB to manage the DataBase. Please make sure not to start working on the issue, unless you get assigned to it.😄