Adding FAQs page

[speco29]

Both HTML and CSS file of FAQS page have been uploaded

Pull Request Template

Title:

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Description:

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Related Issue:

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Changes Made:

• Change 1
• Change 2
• ...

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Checklist:

• My code follows the code style of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes

Additional Information:

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