Add 404 not found page.

[Swastikyadav]

• Use react-router-dom for routing.
• Capture invalid routes and show 404 not found page.
• On 404 page, just download and add the following svg.

[Tusharjain123]

Hey @Swastikyadav Can I work on this issue?

[DugarRishab]

Hey, @Swastikyadav I would like to contribute to this.

[Swastikyadav]

Hey @Swastikyadav Can I work on this issue?

Hi @Tusharjain123

Thanks for showing your interest. This issue is now assigned to you. Please fork the repo, make the changes in your branch and raise PR (pull request) against the master branch of this repo.

[Swastikyadav]

Hey, @Swastikyadav I would like to contribute to this.

Hi @DugarRishab,

I really appreciate your interest. But this one goes to Tushar, as he approached first. May you look into other issue please.

Thanks!