\documentclass[12pt,a4paper,twoside,openright]{report}
\let\openright=\cleardoublepage

\input{metadata}

\usepackage[a-2u]{pdfx}

\ifEN\else\usepackage[czech,shorthands=off]{babel}\fi
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}

% The geometry modification is recommended by the official template, but
% clashes heavily with the existing page design guidelines. Decide for yourself.
% (also see https://en.wikipedia.org/wiki/Canons_of_page_construction )
%
%\usepackage[textwidth=145mm,textheight=247mm]{geometry}

% font for typesetting (choose one)
%\usepackage{lmodern} % TeX "original" (popular in math)
\usepackage[mono=false]{libertine} % popular for comp-sci (ACM uses this)
%\usepackage{tgpagella} % Palladio-like (popular in formal logic)
%\usepackage{tgschola} % Schoolbook-like (gives a bit of historic feel)

% some extra packages
\usepackage{amsmath,amsfonts,amsthm,bm}
\usepackage{graphicx}
\usepackage{xcolor}
\usepackage{booktabs}
\usepackage{float}

% load bibliography tools
\usepackage[backend=bibtex,natbib]{biblatex}
\addbibresource{refs}

% remove this if you won't use fancy verbatim environments
\usepackage{fancyvrb}

% remove this if you won't typeset TikZ graphics
\usepackage{tikz}
\usetikzlibrary{positioning} %possibly add more libraries, e.g. fit, decorations, ...

% remove this if you won't typeset any pseudocode
\usepackage{algpseudocode}
\usepackage{algorithm}

% remove this if you are not listing code
\usepackage{listings}

\hypersetup{unicode}
\hypersetup{breaklinks=true}

\usepackage[noabbrev]{cleveref}

\input{todos} % remove this before the final version
\input{macros}

\begin{document}

\include{title}

\tableofcontents

\include{intro}
\include{ch1}
\include{ch2}
\include{ch3}
\include{conclusion}
\include{bibliography}

\appendix
\include{howto}
%\include{attachments}  % include if your attachments are somehow complicated

\openright
\end{document}