Build Page for invalid or wrong room ID

[tanuj1811]

When someone typed the wrong room ID or URL. Redirect to Error page like 404 not found, to Home Page, etc.

[tanuj1811]

I think I can help in this issue.
@rohitk5252, I would really appreciate it if you could assign me this issue with Hacktoberfest tag so that can I can start contributing to this repo.
Thank you and have a great Hacktoberfest.

[rohitk5252]

Sure , Please refer to CONTRIBUTING.md