Update PyPi README
Update PyPi README

jendas1/PyLaTeX,bjodah/PyLaTeX,sebastianhaas/PyLaTeX,JelteF/PyLaTeX,ovaskevich/PyLaTeX,JelteF/PyLaTeX,sebastianhaas/PyLaTeX,votti/PyLaTeX,ovaskevich/PyLaTeX,votti/PyLaTeX,bjodah/PyLaTeX,jendas1/PyLaTeX