[Button guidance] Consolidate all info, images and raise a PR updating button guidance

[alina-jacob]

Acceptance criteria

Consolidate all button guidance and images and raise the PR.
Figma file

PR prep
Create around 20+ images (of various sizes and details) for the Button component across Usage and Style tabs. Check content and caption around the content as well.

Usage Tab

• Create images for Content section x 3
• Create images for Universal behavior section x 2
• Create GIFs for Universal behavior section x 2
• Create Do/Don't images for Secondary button x 2
• Create Danger button images x 2
• Create Modifier section's - Icon-only button images x 2

Style Tab

• Edit Button variants color images x 11
• Create Button groups Structure image

PR

• Update Usage Tab
• Update Style Tab
• Raise a PR