updated typst partials for quarto create extension

addresses #11616

src/resources/create/extensions/format-typst/_extensions/qstart-filesafename-qend/typst-show.typ

@@ -1,3 +1,4 @@
+
 // Typst custom formats typically consist of a 'typst-template.typ' (which is
 // the source code for a typst template) and a 'typst-show.typ' which calls the
 // template's function (forwarding Pandoc metadata values as required)
@@ -11,11 +12,13 @@
 // documentation on creating typst templates here and some examples here:
 //   - https://typst.app/docs/tutorial/making-a-template/
 //   - https://github.com/typst/templates
-
 #show: doc => article(
 $if(title)$
   title: [$title$],
 $endif$
+$if(subtitle)$
+  subtitle: [$subtitle$],
+$endif$
 $if(by-author)$
   authors: (
 $for(by-author)$
@@ -48,9 +51,33 @@ $if(papersize)$
 $endif$
 $if(mainfont)$
   font: ("$mainfont$",),
+$elseif(brand.typography.base.family)$
+  font: ("$brand.typography.base.family$",),
 $endif$
 $if(fontsize)$
   fontsize: $fontsize$,
+$elseif(brand.typography.base.size)$
+  fontsize: $brand.typography.base.size$,
+$endif$
+$if(title)$
+$if(brand.typography.headings.family)$
+  heading-family: ("$brand.typography.headings.family$",),
+$endif$
+$if(brand.typography.headings.weight)$
+  heading-weight: $brand.typography.headings.weight$,
+$endif$
+$if(brand.typography.headings.style)$
+  heading-style: "$brand.typography.headings.style$",
+$endif$
+$if(brand.typography.headings.decoration)$
+  heading-decoration: "$brand.typography.headings.decoration$",
+$endif$
+$if(brand.typography.headings.color)$
+  heading-color: $brand.typography.headings.color$,
+$endif$
+$if(brand.typography.headings.line-height)$
+  heading-line-height: $brand.typography.headings.line-height$,
+$endif$
 $endif$
 $if(section-numbering)$
   sectionnumbering: "$section-numbering$",

src/resources/create/extensions/format-typst/_extensions/qstart-filesafename-qend/typst-template.typ

@@ -13,6 +13,7 @@
 
 #let article(
   title: none,
+  subtitle: none,
   authors: none,
   date: none,
   abstract: none,
@@ -22,8 +23,15 @@
   paper: "us-letter",
   lang: "en",
   region: "US",
-  font: (),
+  font: "linux libertine",
   fontsize: 11pt,
+  title-size: 1.5em,
+  subtitle-size: 1.25em,
+  heading-family: "linux libertine",
+  heading-weight: "bold",
+  heading-style: "normal",
+  heading-color: black,
+  heading-line-height: 0.65em,
   sectionnumbering: none,
   toc: false,
   toc_title: none,
@@ -42,10 +50,25 @@
            font: font,
            size: fontsize)
   set heading(numbering: sectionnumbering)
-
   if title != none {
     align(center)[#block(inset: 2em)[
-      #text(weight: "bold", size: 1.5em)[#title]
+      #set par(leading: heading-line-height)
+      #if (heading-family != none or heading-weight != "bold" or heading-style != "normal"
+           or heading-color != black or heading-decoration == "underline"
+           or heading-background-color != none) {
+        set text(font: heading-family, weight: heading-weight, style: heading-style, fill: heading-color)
+        text(size: title-size)[#title]
+        if subtitle != none {
+          parbreak()
+          text(size: subtitle-size)[#subtitle]
+        }
+      } else {
+        text(weight: "bold", size: title-size)[#title]
+        if subtitle != none {
+          parbreak()
+          text(weight: "bold", size: subtitle-size)[#subtitle]
+        }
+      }
     ]]
   }