\usepackage{fontspec}
\setmainfont{Roboto}[]
\setsansfont{Roboto}[]
\setmonofont{Roboto Mono}[]

\usepackage[ngerman,bidi=basic]{babel}
\def\arabic{\foreignlanguage{arabic}}
\def\hebrew{\foreignlanguage{hebrew}}

\usepackage{fontawesome}
\usepackage{fontenc}