Custom 404 page for website

[AQIB-NAWAB]

What kind of change does this PR introduce?
feature
Issue Number:

• Closes ✨ Enhancement: New 404 Page #1082

Screenshots/videos:

Summary
Having custom 404 page improve the user experience.

Does this PR introduce a breaking change?
No it is not but it contains code for the other PR as well which is still need to merged. Here is link.

Thanks

[github-actions]

built with Refined Cloudflare Pages Action

⚡ Cloudflare Pages Deployment

Name	Status	Preview	Last Commit
website	✅ Ready (View Log)	Visit Preview	73b3c63

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (219521e) to head (73b3c63).

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #1515   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           10        10           
  Lines          396       396           
  Branches       106       106           
=========================================
  Hits           396       396           

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[AQIB-NAWAB]

Hi @DhairyaMajmudar Please review the PR. Thanks

[DhairyaMajmudar]

Closing as duplicate of #1152