add page and stuff setup

src/lib.typ

@@ -1,4 +1,4 @@
-#let generic(numbering: true, author: "Jade", date: "",  doc) = {
+#let generic(numbering: true, author: "Jade", date: datetime.today().display(), title: "Document", doc) = {
   // Word abbreviations
   show "afg": "Aufgabe";
   show "def": "Definition";
@@ -16,6 +16,18 @@
   }
   set text(font: "B612");
 
+  set page(
+    header: sf([
+      #author /> Hausaufgabe 2#h(1fr)#date
+    ]),
+    footer: align(center, context sf([\~ #here().page() \~]))
+  )
+
+  set document(
+    title: title,
+    author: (author),
+  )
+
   doc
 }