Update to new logos

[el-rabies]

In header, logo page and diagrams new logos from figma should be used.
- Figma Link

[junaid7haque]

All the logos seem to be using the new one on the Figma page.

[el-rabies]

All the logos seem to be using the new one on the Figma page.

Nice!! Please link the PR to this issue once its available. (: