Sample Project

\documentclass[14pt, bibliography=totoc, index=totoc, listof=totoc]{report}
    % language characters and special characters
    \usepackage[utf8]{inputenc}

    % coding of characters in pdf documents
    \usepackage[T1]{fontenc}

    % decrease distance between figure and caption
    \usepackage[skip=5pt]{caption}

    % to configure spacing on enumeration items
    \usepackage{enumitem}
    
    % used to specify the paragraph indent
    \usepackage{parskip}

    % for specifying column width in tables
    \usepackage{array}

    % for using code listings with \lstlisting
    \usepackage{listings}

    % for using \multicolumn
    \usepackage{multirow}

    % for colored text
    \usepackage{xcolor}

    % for more text sizes
    % from smallest to largest:
    % \tiny         5pt
    % \scriptsize   7pt
    % \footnotesize 8pt
    % \small        9pt
    % \normalsize   10pt
    % \large        12pt
    % \Large        14.4pt
    % \LARGE        17.28pt
    % \huge         20.74pt
    % \Huge         24.88pt
    \usepackage{extsizes}

    % for adding links using \href{link}{text} or \url{link} and references (\ref{}) to chapters
    \usepackage{hyperref}

    % removing the book margin
    % setting the size and position(?) of the header, so header line with chapter and section is in the right position
    % setting where the page ends as well
    \usepackage[nomarginpar, margin=.9in, headsep=1.05cm,headheight=0.35cm, top=3.2cm, bottom=2cm]{geometry}

    % configuring the graphicx package to use specified path automatically
    \usepackage{graphicx}
    % use images by using \includegraphics{img_without_extension}
    \graphicspath{{img/}}

    % times new roman font
    \usepackage{times}

    % in order to use [H] (precise positioning) on figures
    \usepackage{float}

    % nice chapter header
    % other options: https://mirror.easyname.at/ctan/macros/latex/contrib/fncychap/fncychap.pdf
    \usepackage[Bjornstrup]{fncychap}

    % used to generate lorem ipsum
    \usepackage{lipsum}

    % adding a header line with the chapter name
    \usepackage{fancyhdr}

    % configuring chapter distances
    \usepackage{etoolbox}

    \pagestyle{fancy}
    % clear only header, not footer! (\fancyhf)
    \fancyhead{}
    % on an odd page number (in this case, on every page), show the chapter on the left side and the section on the right side
    % leftmark == chapter name
    % rightmark == section name
    \fancyhead[OL]{\small\nouppercase\leftmark}
    \fancyhead[OR]{\small\nouppercase\rightmark}
    % show page number on left side of header
    % \fancyhead[OL]{\thepage}

    % the following lines are used because otherwise, the "Chapter 1: Blabla" text on a new chapter is in the middle of the page, which bothers me
    \makeatletter
    % decrease space before a numbered chapter
    \patchcmd{\@makechapterhead}{\vspace*{50\p@}}{\vspace*{-90\p@}}{}{}
    % decrease space before an unnumbered chapter
    \patchcmd{\@makeschapterhead}{\vspace*{50\p@}}{\vspace*{-66\p@}}{}{}
    % decrease space after a numbered chapter
    \patchcmd{\DOTI}{\vskip 40\p@}{\vskip 20\p@}{}{}
    % decrease space after an unnumbered chapter
    \patchcmd{\DOTIS}{\vskip 40\p@}{\vskip -20\p@}{}{}

    % code listings
    \definecolor{code-backcolor}{RGB}{245, 245, 237}
    \lstset{
        breaklines=true,
        escapeinside={(*}{*)},
        backgroundcolor=\color{code-backcolor},
        basicstyle=\ttfamily\small\linespread{0.4},
        abovecaptionskip=9pt,
        numbers=left,
        stepnumber=1,
        showstringspaces=false,
        tabsize=2,
        captionpos=b,
        aboveskip=25px,
        belowskip=0px,
        breakatwhitespace=false,
        xleftmargin=0.70cm,
        % make sure umlauts can be printed in \lstlisting
        % may need to be edited for other languages
        literate=
            {Ö}{{\"O}}1
            {Ä}{{\"A}}1
            {Ü}{{\"U}}1
            {ß}{{\ss}}1
            {ü}{{\"u}}1
            {ä}{{\"a}}1
            {ö}{{\"o}}1
            {~}{{\textasciitilde}}1
    }

    % increasing length between paragraphs
    \setlength{\parskip}{\baselineskip}%

    % removing paragraph indent
    \setlength{\parindent}{0pt}

    % changing itemize and enumerate:
    % less distance between top paragraph and list
    % no distance between list items
    % more distance after list and bottom paragraph
    \setlist[itemize]{noitemsep, topsep=-10pt, after=\vspace{0.5cm}}
    \setlist[enumerate]{noitemsep, topsep=-10pt, after=\vspace{0.5cm}}

    % add space above images
    \setlength{\intextsep}{10pt}

    % add bibliography package
    \usepackage[backend=biber,style=authoryear-comp,sorting=ynt]{biblatex}
    \setlength{\bibitemsep}{0.9cm}
    % set text for when a website was last visited (urldate)
    \renewbibmacro*{urldate}{
        (last visited on \printfield{urlday}.\printfield{urlmonth}.\printfield{urlyear})
    }
    
    % add bibliography
    \addbibresource{example-bibliography.bib}

    % title page texts
    \title{Sample}
    \author{Author}
    \date{\today}

\begin{document}
\maketitle % use title in document

% print a table of contents
\tableofcontents

% print a list of figures
\listoffigures

% print a list of tables
% \listoftables

% print a table of code listings
% \lstlistoflistings

\chapter{Chapter}
This is some sample text in a chapter.

\section{Section}
This is some sample text in a section.

\subsection{Subsection}
This is some sample text in a subsection.

The following is an itemized list.
\begin{itemize}
    \item Item 1
    \item Item 2
    \item Item 3
\end{itemize}

The following is an enumerated list.
\begin{enumerate}
    \item Item 1
    \item Item 2
    \item Item 3
\end{enumerate}

This is \textit{italicized} text.

This is \textbf{bold} text.

This is \verb|inline code| text.

The following is a \href{https://www.linux.org/}{link}.

\pagebreak
\section{Another section}
Figure \ref{fig:example} shows an example image.

\begin{figure}[H]
	\centering
	\vspace{0.4cm}
	\fbox{\includegraphics[width=0.5\linewidth]{example_img}}
	% \copyrightbox[r]{\fbox{\includegraphics[width=0.5\linewidth]{example_img}}}{\textcopyright\ Author (CC BY-SA 3.0)}
	\caption{An image}
	\label{fig:example}
	\vspace{-0.4cm}
\end{figure}

Listing \ref{code:example} shows a piece of code.
\begin{lstlisting}[caption=Code example, label=code:example, language=python]
def lorem(ipsum : str) -> None:
    print(ipsum)
\end{lstlisting}

\lipsum[1]
\pagebreak

This is an example for a citation \parencite{typo3-fluid-if-else}. Here is another example \parencite{linux-handbuch}. These works only show up in the final document's bibliography if they are cited somewhere.

\printbibliography[heading=bibintoc, title={References}]

\end{document}