add preliminary tag

lib/cover.typ

@@ -13,6 +13,7 @@
   university: "UR",
   speciality: "Informatique",
   heading-font: "TeX Gyre Heros",
+  preliminary: false,
 ) = {
   set page(
     margin: (left: 20mm, right: 20mm, top: 30mm, bottom: 30mm),
@@ -83,6 +84,9 @@
   set text(fill: black)
   jury-content
 
+  if preliminary {
+    place(center + horizon, rotate(24deg, text(red.transparentize(0%), size: 60pt)[VERSION \ PRELIMINAIRE]))
+  }
   pagebreak()
   set page(background: none)
 }

lib/matisse-thesis.typ

@@ -40,6 +40,7 @@
   show_cover: true,
   show_body: true,
   show_abstracts: true,
+  preliminary: false,
   body
 ) = {
   assert-etablissements(university)
@@ -60,9 +61,11 @@
 
   let draft-string = ""
   if draft { draft-string = "DRAFT - " }
+  let preliminary-string = ""
+  if preliminary { preliminary-string = " - PRELIMINARY VERSION"
 
   set document(
-    title: draft-string + title-en,
+    title: draft-string + title-en + preliminary-string,
     author: author,
   )
   set par(justify: true)
@@ -250,6 +253,7 @@
       university: university,
       speciality: speciality,
       heading-font: heading-font,
+      preliminary: preliminary,
     )
   }