docs: add WDK badge assets
Created by: ihsraham
Summary
- Add four WDK banner PNGs and eight WDK badge SVG variants under
public/assets/branding. - Add a QVAC-style
Banners and badgessection to the WDK docs README. - Use stable raw GitHub asset URLs on
mainin the copyable snippets, with badge links pointing tohttps://docs.wdk.tether.io.
Validation
git diff --checknpm run check:metaLINK_CHECK_EXTERNAL=false npm run check:linksnpm run build
Note: npm run build passes with the existing docs SEO docType warnings from content pages.