\usepackage{graphicx}
% \usepackage{booktabs} % exists in the template
\usepackage{tabulary}
\usepackage{hyperref}
\usepackage{hyperxmp}
\usepackage[dvipsnames]{xcolor}
\usepackage{fancyhdr}
\usepackage{float}
% Let screenshots share a page with their explanation before using float pages.
\floatplacement{figure}{htbp}
\renewcommand{\topfraction}{0.85}
\renewcommand{\textfraction}{0.1}
\renewcommand{\floatpagefraction}{0.75}
\pagestyle{fancy}
% Keep inline identifiers intact. Move unusually long paths to a code block
% or shorten their prose label instead of splitting callable names mid-word.
% Libertinus Mono permits ordinary word hyphenation, so disable that too.
\DeclareTextFontCommand{\texttt}{\ttfamily\hyphenchar\font=-1\relax}

\usepackage{fvextra}
\fvset{breaklines=true, breaknonspaceingroup=true, breakanywhere=true}
\fancyhead[L]{\small lda.chat}
\fancyhead[R]{\small\leftmark}
\fancyfoot[C]{\thepage}
\setlength{\parskip}{0.6em}
\setlength{\parindent}{0pt}
\setkeys{Gin}{width=\linewidth,height=0.55\textheight,keepaspectratio}
\renewcommand{\arraystretch}{1.3}

% \hypersetup{pdfauthor={lda.chat}, pdftitle={Design and Implementation of lda.chat}}