(Merch Page) add merch highlights section at the bottom

[Niyousha99]

We want to include pictures of tech start members wearing past and current merch to the bottom of the merch page.

Acceptance Criteria:

✅ All images must be high-resolution and clear. Colors should be vibrant and true to the actual merchandise.
✅ Ensure a consistent style across all images to maintain a cohesive look. Consider background consistency or appropriate variations.
✅ Each picture should showcase specific merchandise clearly. Different angles or close-ups for intricate details are encouraged.
✅ Include a variety of merchandise categories (e.g., hoodies, T-shirts, beanies, etc.) in the highlight.
✅ Represent diverse models if applicable, ensuring a broad audience can relate to the showcased items.
✅ Verify that the images are displayed appropriately on various devices, especially mobile phones.
✅ Optimize image sizes to maintain fast loading speeds for an optimal user experience.

You can find our merch photoshoot albums here: https://photos.google.com/albums