Add Typescript to the web app

[satyam73]

Issue Description

Currently we have JS code in the web app. We need to migrate it to Typescript.

Desciptive issue for this issue

• https://github.com/Real-Dev-Squad/website-www/issues/753

Expected Behavior

The code should be in Typescript for type safety for seemless developing experience.

Current Behavior

Currently we have Javascript code present in the web app.

Screenshots

n/a

Reproducibility

• [ ] This issue is reproducible
• [ ] This issue is not reproducible

Steps to Reproduce

n/a

Severity/Priority

• [ ] Critical
• [ ] High
• [ ] Medium
• [ ] Low

Additional Information

n/a

Checklist

• [ ] I have read and followed the project's code of conduct.
• [ ] I have searched for similar issues before creating this one.
• [ ] I have provided all the necessary information to understand and reproduce the issue.
• [ ] I am willing to contribute to the resolution of this issue.