Mostly on GitHub. I could find following among the huge list with initial search of ‘React template’ https://github.com/wix/react-templates https://github.com/coreui/coreui-free-react-admin-template https://github.com/cruip/open-react-template https://github.com/reduction-admin/react-reduction More on reddit.com

Check out the BBC News Repo https://github.com/bbc/simorgh Gave me inspiration in how I'm organizing my large projects now at work and documenting components with README when specific business logic requires it so the team understands what the component(s) do More on reddit.com

I think you should work on a original design. I mean: https://jacekjeznach.com/

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cppreference is dying. It has been in read-only state for about a year, and the sole maintainer may or may not get to properly updating it in the future. We need some new project that forks cppreference material, hosts on Github pages and allows further contributions via commits. This specific project in its current state, though, is far from being able to take on the role of a successor. Was it converted from cppreference material? Pages are highly incomplete compared to cppreference, looking at e.g. std::optional. More on reddit.com