GOSW30- Alert for successful events registration.

[nanda-mik]

Features to work on:

1. A responsive alert component on the website to confirm successful registration of the event along with its id.
2. Explore material-ui for better styling.

Always note this

1. Use comments for better explanation of your code.
2. Create new branch for each issues and make sure to pull the latest code from development branch.
3. Try to resolve conflicts in the files before submitting the PR.

[nishantkumar1308]

assign it to me