Footer design

Redesign the docs footer to look like the main ecosystems footer. 

This is a docusaurus site so will need so wrangling (swizzling)

<img width="1534" height="249" alt="Image" src="https://github.com/user-attachments/assets/2b71c47e-5717-4d2a-a77e-743eac3ac0ed" />

<img width="1414" height="374" alt="Image" src="https://github.com/user-attachments/assets/f97dc39c-07bf-4364-a4db-85209213aa9e" />