added copyright footer to all the webpages

[NotVishesh]

Related Issue

Issue no. #84

Description

Added the following copyright message at the bottom of each displayed page :
Copyright © 2024 VoteChain Pvt Ltd - All rights reserved

Type of PR

• Bug fix
• Feature enhancement
• Documentation update
• Other (specify): _______________

Screenshots / videos (if applicable)

Checklist:

• I have performed a self-review of my code
• I have read and followed the Contribution Guidelines.
• I have tested the changes thoroughly before submitting this pull request.
• I have provided relevant issue numbers, screenshots, and videos after making the changes.
• I have commented my code, particularly in hard-to-understand areas.

Additional context:

In voting.html i was not able to do position absolute from the bootstrap class . It was not working. So i did by the inline css

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Name	Status	Preview	Comments	Updated (UTC)
npb-vote-web-3	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jul 3, 2024 8:17pm

[github-actions]

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