style: format code with Black, isort, Prettier and Ruff Formatter (#190)

This commit fixes the style issues introduced in 4c5e4e0 according to the output
from Black, isort, Prettier and Ruff Formatter.

Details: None

Co-authored-by: deepsource-autofix[bot] <62050782+deepsource-autofix[bot]@users.noreply.github.com>

Author: deepsource-autofix[bot]

README.md

@@ -27,6 +27,7 @@ Explore and showcase the top GitHub user avatars in a modern, interactive grid.
 
 - [View the site](https://john-bampton.github.io/)
 - [View the docs](https://john-bampton.readthedocs.io/)
+
 ---
 
 ## ⚡ Quickstart