New: TGM csl, a markdown preamble

_extensions/header/header.tex

@@ -7,6 +7,28 @@
 \usepackage[hidelinks]{hyperref}
 \setlength{\emergencystretch}{3em} % Prevent overfull lines
 
+\usepackage{tocloft}
+
+% Dotted lines for all levels in TOC
+\renewcommand{\cftsecleader}{\cftdotfill{\cftdotsep}}
+\renewcommand{\cftsubsecleader}{\cftdotfill{\cftdotsep}}
+\renewcommand{\cftsubsubsecleader}{\cftdotfill{\cftdotsep}}
+
+% Bold section numbers and names
+\renewcommand{\cftsecfont}{\bfseries}
+\renewcommand{\cftsecpagefont}{\bfseries}
+
+% Adjust vertical spacing before sections
+\setlength{\cftbeforesecskip}{0.5em}
+
+\usepackage{fvextra}
+\fvset{breaklines=true}
+
+\usepackage{needspace}
+\let\oldShaded\Shaded
+\let\oldendShaded\endShaded
+\renewenvironment{Shaded}{\needspace{8\baselineskip}\oldShaded}{\oldendShaded}
+
 \usepackage{fancyhdr}
 
 % Define the fancy style but don't activate yet