style: increase line spacing to 1.5

misc/packages.tex

@@ -29,6 +29,7 @@
 \tcbuselibrary{minted}							% Make tcolorbox work with minted
 \usepackage{graphicx}
 \usepackage{appendix}							% Appendix helpers
+\usepackage[onehalfspacing]{setspace}
 
 % --- TikZ and UML diagrams
 \usepackage{pgf-umlsd}