\documentclass [12pt]{article}
% !TEX options = -synctex=1 -interaction=nonstopmode -shell-escape -file-line-error "%DOC%"
\input{preamble.tex}
\begin{document}
\input{post-preamble.tex}
\subfile{sections/titlepage}
\setcounter{page}{1}
\pagenumbering{roman}
\subfile{sections/index}
\setlength{\parskip}{0.6em}
\subfile{sections/abstract}
\pagenumbering{arabic}
\setcounter{page}{1}
% ------------------------------------------------------------------
\newpage
% Only as an example, remove/comment on the final document
\subfile{sections/examples.tex}
% \subfile{sections/introduction}
% \newpage
% \subfile{sections/general_description}
% \newpage
% \subfile{sections/requirements}
% \newpage
% \subfile{sections/functional_requirements}
% \newpage
% \subfile{sections/design}
% \newpage
% \subfile{sections/implementation}
% \newpage
% \subfile{sections/evaluation}
% \newpage
% \subfile{sections/conclusions}
\newpage
\subfile{sections/bibliography}
\begin{appendices}
\section{Apendix example}
% \subfile{sections/apendix1}
% \subfile{sections/apendix2}
\end{appendices}
\end{document}
