[Website] enhance program pages for better readability and reusability

[vishalvivekm]

Current State

The meshery.io/programs pages use a similar template to list programs and necessary details, such as GSoC 2025. However, the layout could be improved

Desired state

• The page should be enhanced to improve readability and presentation.
• Instead of having an individual HTML file, with all the markup, for each year's program, we can have a reusable layout, requiring only a markdown file with the relevant data to be created. Inspiration can be taken from catalog layout to show all the items on /catalog using a reusable template.

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[vishalvivekm]

@Vidit-Kushwaha help?

[M-DEV-1]

@vishalvivekm I'd like to help with this issue.

[Karan-Palan]

@vishalvivekm , shall I create the reusable page(template)?