Merge branch 'development'

src/assets/hero_image_placeholder.jpg

src/components.d.ts

src/components/heading/heading.scss

src/components/heading/heading.tsx

src/components/heading/readme.md

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

src/components/hy-box/readme.md

src/components/hy-hero/hy-hero.scss

src/components/hy-hero/hy-hero.tsx

src/components/hy-hero/readme.md

src/components/hy-introduction/hy-introduction.scss

src/components/hy-introduction/hy-introduction.tsx

src/components/hy-introduction/readme.md

...ents/hy-main-content-wrapper/hy-main-content-wrapper.scss

...nents/hy-main-content-wrapper/hy-main-content-wrapper.tsx

src/components/hy-main-content-wrapper/readme.md

src/components/hy-main/hy-main.scss

src/components/icon/ArrowRight.tsx

src/components/icon/readme.md

src/components/image/image.spec.tsx