UI Improvements for the Drupal Forge Browser Extension

I’ve worked on improving the UI for the Drupal Forge Browser Extension. Below are the before/after screenshots showing the changes:

🖼️ Before:

🖼️ After:

Changes made:

1. Improved layout spacing and alignment.
2. Updated labels for better clarity.
3. Added consistent icon styling.
4. Polished overall look for a smoother contributor experience.

These updates should make the extension easier to use and more visually consistent. Feedback and suggestions are welcome before I finalize and submit the merge request.

Great improvement!

Testing is done ✅.
I’ve created a merge request for this work, please review.
Also updated the README with clearer setup instructions.

Added updates in the "How to use this extension" modal steps, based on @salimlakhani’s suggestions.