Add compact / minimal widget mode for small GitHub READMEs

[ayushraistudio]

Some users prefer a minimal or compact GitHub profile layout.
Currently, the widget takes more vertical space.

Task

• Add a compact=true query parameter
• Reduce padding, font size, and spacing when compact mode is enabled
• Keep design clean and readable
• Do not change default behavior

Example

/api?username=USER&theme=neon&compact=true

Goal

Make the widget usable for small or crowded GitHub profile READMEs.

Estimated difficulty: Easy–Medium
Suitable for first-time open-source contributors.