[FEAT]: add darkmmode to all pages and refactor components to get darkmode from context

src/components/RightMenu/RightMenu.scss

src/components/RightMenu/RightMenu.tsx

src/components/codeHighlight/CodeHighlight.scss

src/components/codeHighlight/CodeHighlight.tsx

...ts/demo-components/desc-paragraph/DescParagraphProps.scss

src/components/demo-components/icons/JSIcon.jsx

src/components/demo-components/icons/TSIcon.jsx

src/components/demo-components/sub-title/SubTitle.scss

src/components/layout-pages/LayoutPage.scss

src/components/layout-pages/MainLayoutPage.jsx

src/components/main-title/MainTitle.tsx

src/components/paragraph-main/MainParagraph.scss

src/components/paragraph-main/MainParagraph.tsx

src/components/show-demo-code/ShowDemoCode.tsx

src/components/typeHighlight/TypeHighlight.scss

src/components/typeHighlight/TypeHighlight.tsx

src/data/ExtFileAPIRows.tsx

src/files-ui/components/material-button/MaterialButton.scss

src/globals/contexts/UserContext.ts

src/globals/providers/UserProvider.tsx