- Move font files to PrimeTeX.

- Add Roboto as sans serif font and move Roboto Slab to a custom family.
- Customize title formatting.
- Add boxout macro.

Titles.sty

@@ -0,0 +1,22 @@
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{PrimeTeX/Titles}[2025-07-16]
+
+\RequirePackage[raggedright]{titlesec}
+
+\titleformat{\part}[display]{
+	\normalfont\sbfamily\huge\centering
+}{
+	Part \arabic{part}
+}{20pt}{\Huge}
+
+\titleformat{\chapter}[display]{
+	\normalfont\sbfamily\huge
+}{
+	\chaptertitlename{} \thechapter
+}{20pt}{\Huge}
+
+\titleformat*{\section}{\sbfamily\Large}
+\titleformat*{\subsection}{\sbfamily\large}
+\titleformat*{\subsubsection}{\sbfamily}
+\titleformat*{\paragraph}{\sbfamily}
+\titleformat*{\subparagraph}{\sbfamily}