\documentclass[a4paper,11pt]{book}

\usepackage[utf8x]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[french]{babel}
\usepackage{lmodern}
\usepackage{makeidx}
\usepackage{graphicx}
\usepackage{float}
\usepackage{wrapfig}
\usepackage{hyperref}
\usepackage{enumitem}
\graphicspath{{images/}{../images/}}
\usepackage{fancyhdr}
\usepackage[table,xcdraw]{xcolor}
\usepackage[acronym]{glossaries}

% Marges
\usepackage{geometry}
\geometry{
    left=2.5cm,
    right=2cm,
    top=2cm,
    bottom=1.5cm,
    headheight=35pt,
    includehead,includefoot,
    heightrounded,
}

% En-têtes et pieds de page
\setlength\headheight{26pt}
\pagestyle{fancy}
\fancyhead[L] {\begin{picture}(0,0) \put(0,0){\includegraphics[height=1.5cm, keepaspectratio=true]{heig-vd.png}} \end{picture}}
\fancyhead[R]{Ischer Etienne \\}
\renewcommand\footrulewidth{3pt}
\fancyfoot[LO]{Pré-étude}
\fancyfoot[C]{\today}
\fancyfoot[R]{\thepage}
\renewcommand{\headrulewidth}{0.5pt}
\renewcommand{\footrulewidth}{0.5pt}

\include{annexes/glossary}

\begin{document}

\include{annexes/page_de_garde}

\frontmatter

\mainmatter

\appendix

\printglossaries
\newpage

\bibliographystyle{unsrt}
\bibliography{bibli}

\listoffigures

\listoftables

\printindex

\tableofcontents
\newpage

\backmatter

\end{document}