Remove core directory, add pages and types dir

src/App.tsx

src/Routes.tsx

src/components/CustomModal.tsx

src/components/Footer.tsx

src/components/Header.tsx

src/components/ProfileButton.tsx

src/components/ProfileModal.tsx

src/context/UserContext.tsx

src/hooks/useAddNews.ts

src/hooks/useGetNewsList.ts

src/index.tsx

src/pages/NewsPage.tsx

src/types/types.ts