Add "Introducing the React Profiler" translation. - #561

Add "Introducing the React Profiler" translation.#561

ntishkevich merged 3 commits into

reactjs:mainreactjs/ru.react.dev:mainfrom

peakercope:introducing-the-react-profiler-translationpeakercope/ru.reactjs.org:introducing-the-react-profiler-translationCopy head branch name to clipboard