Added consistent navigation links of contact Us and helpcenter across all the pages

[Avanti2023]

Closes: #802
Ensured consistency in the footer navigation by adding "Contact Us" and "Help Center" links across all pages.

Changes Made

• Updated footer to include both "Contact Us" and "Help Center" across all the pages in the order:
  Contact us
  Help Center
  Feedback
  FAQ
  Privacy Policy
  Terms of Service

• Applied consistent icons and link structure

• Verified alignment and styling across all pages

Screenshot

[github-actions]

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[supriya46788]

@Avanti2023 can you make another pr where below links should be there, this way it will look consistent...currently support have more links which making it inconsistent

• quick links : Home, Convert Recipe, Customize, Scale Recipe, About Us, FAQ

• features : Unit Conversion, Nutritional Analysis, Recipe Scaling, AI Optimization, Mobile Friendly, Blog

• support : Contact Us, Help Center, Feedback, Report Issue, Privacy policy, Terms of Services

[Avanti2023]

@supriya46788 Okay sure

[Avanti2023]

@supriya46788 Made the changes , Updated the footer in PR #838
Hope it fits well now