Fix multiple minor issues: copyright year, links, forms, and accessibility

[PiyushPrasun]

Updated the copyright year: Changed the footer's copyright year from 2024 to 2025 to reflect the current year.

Fixed inconsistent YouTube links: Made the YouTube links in the header and footer consistent by updating the footer link to match the header link.

Added proper action URLs to newsletter forms: Added the Mailchimp URL to both newsletter forms that were missing action URLs, ensuring they'll function correctly.

Improved accessibility: Added alt text to all testimonial images that were missing them, making the website more accessible to users with screen readers

Pull Request Template

[Copilot]

Pull Request Overview

This PR fixes several minor issues including updating the copyright year to 2025, making YouTube links consistent, adding proper action URLs to newsletter forms, and improving accessibility by adding descriptive alt texts to testimonial images.

• Updated testimonial images with descriptive alt text for better accessibility
• Updated newsletter forms with proper action URLs and target attributes
• Revised footer details by updating the copyright year and YouTube link

Comments suppressed due to low confidence (1)

index.html:239

• [nitpick] Consider preserving consistent formatting and indentation when merging nested elements. Splitting the opening tags into separate, well-indented lines would improve code readability.

            <div class="div1 eachdiv">              <div class="userdetails">

[github-actions]

Thank you and congratulations 🎉 for opening your very first pull request in student-program

[pratik-mahalle]

Hey @PiyushPrasun, Thanks for raising this pr.
Unfortunately, this PR doesn’t include any meaningful changes, typos and breaking links are supposed or just content changes are to be reported not fixed. You can do so on the specific two repositories that we provided. In the future, please ensure that a PR in this repo is raised only if you’ve made substantial updates or solved a particular issue. This helps keep the process efficient and organized.
This being a part of an assignment in api fellowship would be counted since you were supposed to create a pr but wont be merged since this is not that relevant of a change. I’m sure you understand, and I appreciate your cooperation on this. We will be closing this PR for now.