Eztex

\documentclass[ngerman]{beamer}
\usetheme{Berkeley}
\usecolortheme{seahorse}
\addtobeamertemplate{navigation symbols}{}{
    \usebeamerfont{footline}
    \usebeamercolor[fg]{footline}
    \hspace{1em}
    \insertframenumber/\inserttotalframenumber
}

\usepackage{babel}
\usepackage[autostyle]{csquotes}
\usepackage{url}

\title{Thema Platzhalter}
\subtitle{Optionaler Untertitel}
\author{Name Platzhalter}
\date{\today}
\logo{\includegraphics[width=1.2cm]{pictures/rubix.png}}

\input{preamble/tikz.tex}

\begin{document}
    \begin{frame}
        \titlepage
    \end{frame}
    \begin{frame}
        \frametitle{Inhaltsverzeichnis}
        \tableofcontents
    \end{frame}

    \input{slides/example.tex}
    \input{slides/flussdiagramm.tex}

    \input{slides/quellen.tex}
\end{document}