\documentclass[11pt,a4paper,oneside]{book}

\usepackage{polyglossia}
\usepackage{fontawesome5}
\usepackage{xltxtra}
\usepackage[margin=2cm,a4paper]{geometry}% http://ctan.org/pkg/geometry
\usepackage{pdfpages}
\usepackage{graphicx}
\usepackage[ddmmyyyy]{datetime}
\usepackage{booktabs}
\usepackage{enumitem}
\usepackage{amssymb}
\usepackage{amsmath}
\usepackage{bm}
\usepackage[nomessages]{fp}
\usepackage{caption}
\usepackage{url}
\usepackage{indentfirst}
\usepackage[parfill]{parskip}
\usepackage[ colorlinks=true
           , linkcolor=black
		   , anchorcolor=black
		   , citecolor=black
		   , filecolor=black
		   , menucolor=black
		   , runcolor=black
		   , urlcolor=blue]{hyperref}
\usepackage{tikz}
\usetikzlibrary{arrows,arrows.meta,snakes,shapes,backgrounds,positioning,calc}
\usepackage{marvosym}
\usepackage{pifont}
\usepackage{fontspec}
\usepackage{listings}
\usepackage{verbatim}
\usepackage{xcolor}
\usepackage{float} % Needed for the floating environment
\usepackage{fancyvrb}
\usepackage[most]{tcolorbox}
\usepackage{authblk}
\usepackage{url}
\usepackage{glossaries}

\setmainlanguage{russian}
\defaultfontfeatures{Ligatures=TeX,Mapping=tex-text}
\setmainfont{Liberation Serif}
\newfontfamily\cyrillicfont{Liberation Serif}[Script=Cyrillic]
\newfontfamily{\cyrillicfonttt}{Liberation Mono}[Scale=0.8]

\setlist{noitemsep}
\setlength{\intextsep}{2cm}

\renewcommand\Authands{ и }
\renewcommand\Affilfont{\itshape\small} % Мелкий и курсивный шрифт для аффилиаций

\newtcolorbox{myverbatim}{colback=lightgray, colframe=lightgray, boxrule=0pt, arc=0pt,
                          top=0pt, bottom=0pt, left=0pt, right=0pt,
                          boxsep=5pt, leftupper=5pt, rightupper=5pt}


\newcommand{\term}[2]{\textit{#2}}
\renewcommand{\dateseparator}{.}
\renewcommand*\contentsname{Содержание}

\lstset{
  language=Haskell,
  basicstyle=\ttfamily\small,
  keywordstyle=\color{blue},
  commentstyle=\color{green},
  stringstyle=\color{red},
  % numberstyle=\tiny\color{gray},
  % numbers=left,
  % stepnumber=1,
  showstringspaces=false,
  breaklines=true,
  frame=single,
}

\newfloat{Code}{t}{myc}

\graphicspath{ {img/}}

\title{hbs2-browser: Спецификация}

\author{%
    email: dzuikov@gmail.com | telegram: @voidlizard
}

\begin{document}

\maketitle
\tableofcontents

\include{intro}

\end{document}