Made site-logo component more usable when used globally.

src/components.d.ts

src/components/navigation/menu-item/menu-item.scss

src/components/navigation/menu-language/menu-language.scss

src/components/navigation/menu/menu.scss

src/components/navigation/menu/menu.tsx

src/components/site-header/readme.md

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

src/components/site-header/site-header.tsx

src/components/site-header/site-logo/readme.md

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

src/components/site-header/site-logo/site-logo.tsx

src/index.html

src/utils/utils.ts