readme: improve the readme images and badges

[jaiakash]

Is your feature request related to a problem? Please describe.
The current readme badges look simple.

Describe the solution you'd like
We can improve the readme with appropriate badges and images.

• Center header and badges.
• Add OWASP Nest logo.
• Add modern-looking (see screenshot's last row badges) badges instead of flat badges.
• Fix build status badge. (its run-ci-cd.yaml not ci-cd.yaml)

Suggestions/Clarifications

• Keep issues, PRs, last commit and contributor badges.
• Remove forks and stars since it's already visible on the GitHub page. Your thoughts?
• Remove languages since it's already visible on the GitHub page. Your thoughts?
• What is use of owasp code badge (top center badge)?

Are you going to work on fixing this?
Yes

Additional context
Screenshot:

[jaiakash]

Let me know your suggestions ?

Fork: https://github.com/jaiakash/Nest/tree/revamp-readme-stats

[Raghavg18]

Hey @arkid15r assign

[jaiakash]

Slack discussion: https://owasp.slack.com/archives/C07JLLG2GFQ/p1740070869049729