adding table of contents in privacy and t&c pages and enhancing them

[Riyachauhan11]

Description

A clear and concise description of what the PR does.

• This PR does the following: updates ui of privacy & terms&cond pages in footer by adding tables of content in each page and adding other visual changes.

Related Issues

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• Placeholder: "Fixes #522"

Changes

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• added table of content in each page to scroll to sections given in specific page more easily and quickly
• improves navigation
• made sure it works in dark mode
• is repsonsive
• other visual changes

Testing Instructions

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1. Pull this branch.
2. Run npm install to install dependencies.
3. Run npm test to execute the test suite.
4. Verify that ...

Screenshots (if applicable)

changes made:

https://github.com/user-attachments/assets/727c8e5c-bd05-4671-9656-3a4f709d8842

Additional Context

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• This PR is based on the following...

Checklist

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• [x] I have performed a self-review of my code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] My changes generate no new warnings
• [x] I am working on this issue under GSSOC

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Name	Status	Preview	Comments	Updated (UTC)
wanderlust-2024	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Nov 9, 2024 3:29pm

[github-actions[bot]]

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[Riyachauhan11]

pls give level 2 label