Update NIC about page

[vepatel]

Proposed changes

• Update content of "About" based on doc feedback

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• I have read the CONTRIBUTING doc
• I have added tests that prove my fix is effective or that my feature works
• I have checked that all unit tests pass after adding my changes
• I have updated necessary documentation
• I have rebased my branch onto main
• I will ensure my PR is targeting the main branch and pulling from my branch from my own fork

[ADubhlaoich]

LGTM!

[github-actions]

✅ Deploy Preview will be available once build job completes!

Name	Link
😎 Deploy Preview	https://frontdoor-test-docs.nginx.com/previews/nginx-ingress-controller/7755/

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 52.34%. Comparing base (f4ed950) to head (7ffbb61).
Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #7755   +/-   ##
=======================================
  Coverage   52.34%   52.34%           
=======================================
  Files          89       89           
  Lines       21373    21373           
=======================================
  Hits        11188    11188           
  Misses       9719     9719           
  Partials      466      466           

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