Nxstage 577 & 578 try to fix hy box and add vertical margins

src/components.d.ts

src/components/accordion-container/accordion-container.scss

src/components/accordion-container/accordion-container.tsx

src/components/accordion-container/readme.md

src/components/adjacent-image-text/adjacent-image-text.scss

src/components/adjacent-image-text/adjacent-image-text.tsx

src/components/adjacent-image-text/readme.md

src/components/heading/heading.scss

src/components/heading/heading.tsx

src/components/hy-banner/hy-banner.scss

src/components/hy-banner/hy-banner.tsx

src/components/hy-box/hy-box.tsx

src/components/hy-box/readme.md

src/components/hy-box/test/hy-box.spec.tsx

src/components/hy-key-figure-group/hy-key-figure-group.tsx

src/components/hy-key-figure-group/readme.md

...nts/hy-key-figure-group/test/hy-key-figure-group.spec.tsx

...ponents/hy-key-highlight-group/hy-key-highlight-group.tsx

src/components/hy-key-highlight-group/readme.md

...-key-highlight-group/test/hy-key-highlight-group.spec.tsx