feat: mono font styling

languages-fonts.sty

@@ -4,7 +4,16 @@
 
 \newfontfamily\greekfont[Script=Greek]{Linux Libertine O}
 \newfontfamily\greekfontsf[Script=Greek]{Linux Libertine O}
-\newfontfamily\greekfonttt[Script=Greek]{Linux Libertine Mono O}
+\newfontfamily\greekfonttt[
+	Script=Greek,
+	Scale=MatchLowercase,
+	Path = assets/fonts/,
+	Extension = .ttf,
+	UprightFont = *-Regular,
+	BoldFont=*-Bold,
+	ItalicFont=*-Italic,
+	BoldItalicFont=*-BoldItalic
+]{Hack}
 
 \setdefaultlanguage{greek}
 \setotherlanguage{english}