Merge branch 'footer' into 'dev'

src/App.tsx

src/components/Footer.tsx

src/components/svg/DevTeamIcon.tsx

src/components/svg/SchdesignIcon.tsx

src/context/ThemeProvider.tsx

src/pages/Page.tsx

src/styles/darkTheme.ts

src/styles/lightTheme.ts

src/styles/material-ui.d.ts

src/styles/styled-components.d.ts