Merge branch 'development'

src/components.d.ts

src/components/cta-button/cta-button.scss

src/components/cta-button/readme.md

src/components/heading/heading.scss

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

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

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

src/components/icon/readme.md

src/components/site-header/site-header.scss

src/index.html

src/utils/utils.ts