Add Cookie Consent Banner for User Privacy and Compliance (#477)

[dipexplorer]

Fixes #477

This PR introduces a cookie consent banner to the site, enhancing user privacy and ensuring compliance with data protection regulations. The banner informs users about our cookie usage and provides options to accept or reject non-essential cookies, storing their preference in local storage for future visits.

Changes

• Added "Accept" and "Reject" buttons with the following functionality:
• Accept: Stores user consent in local storage and allows all cookies.
• Reject: Stores user preference to decline non-essential cookies, allowing only essential cookies.
• Configured the banner to remember the user’s choice, preventing it from reappearing unless cookies or local storage are cleared.

Testing Instructions

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)

https://github.com/user-attachments/assets/3f117e53-52d4-43f4-8f93-34882a8c491b

Checklist

• [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 11:06pm

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