Update README.ru.md
Missing one letter
Some mistakes... logical ;-)
* README.ru.md Russian language is done. * Some fixes for previous commit Co-authored-by: Andrei Guliaikin <guland2000@users.noreply.github.com>
* Add menu bar for language selection * Create README.es.md * Update README.es.md * fix minor issues * Update README.md * Update and rename README.es.md to readmes/README.es.md * Update features section. * Update README.md * Update README.es.md