Add new header

.eslintrc.js

package-lock.json

package.json

public/index.html

src/Routes.tsx

src/components/DrawerMenu.tsx

src/components/Header.tsx

src/components/MobileHeader.tsx

src/components/WrapperLink.tsx

src/context/UserContext.tsx

src/hooks/useToggle.ts

src/hooks/useUserContext.ts

src/pages/Page.tsx

src/svg/SCHBodyIcon.tsx