feat[dev]: ✨ Create new template variant for sd-header

[MartaPintoTeixeira]

Description

This tasks describes the Figma implementation for: fix: 🤔 Improve and Clean Up kidstarter theme #2665

Create new template variant for sd-header (needed for KID).
Figma: https://www.figma.com/design/VTztxQ5pWG7ARg8hCX6PfR/Solid-DS-%E2%80%93-Component-Library?node-id=6646-28795&p=f&t=lo0mYmBolsOVUHyF-0

To-do in code:
Add a new "Header Sample C" to the header tmplt according to figma (see template).
Add description to mention this is relevant in mobile as desktop and ipad will be using variants A-01 and A

Note: For the Arrow lets add an alert.

Open Questions towards design

• Question1
• Question2

DoR

• Item has been estimated by the team
• Item dependencies have been identified and documented

[auroraVasconcelos]

Header also needs some fixes and adjustments to be synced with figma. I suggest it is address with this ticket

[yoezlem]

We will create a new ticket for the question: Maybe we could improve titles to be more intuitive.