feat: add option to make supervisor signature optional

src/conf.typ

@@ -24,6 +24,7 @@
       name: "dualen Hochschule Baden-Württemberg",
       campus: "Eppelheim"
     ),
+    supervisor-signature: false,
     authors: (
       (
         name: "Sven Vogel",

src/pages/titlepage.typ

@@ -147,22 +147,24 @@
       #context panic("no translation for language: ", text.lang)
     ]
 
-    #align(
+    #if config.supervisor-signature {
-      bottom,
+      align(
-      grid(
+        bottom,
-      // set width of columns
+        grid(
-      // we need two, so make both half the page width
+        // set width of columns
-      columns: (60%, 40%),
+        // we need two, so make both half the page width
-      align(left, if text.lang == "de" [
+        columns: (60%, 40%),
-          Unterschrift des betrieblichen Betreuers
+        align(left, if text.lang == "de" [
-        ] else if text.lang == "en" [
+            Unterschrift des betrieblichen Betreuers
-          Signature of the company supervisor
+          ] else if text.lang == "en" [
-        ] else [
+            Signature of the company supervisor
-          #context panic("no translation for language: ", text.lang)
+          ] else [
-        ]
+            #context panic("no translation for language: ", text.lang)
-      ),
+          ]
-      align(right, {line(length: 6cm)})),
+        ),
-    )
+        align(right, {line(length: 6cm)})),
+      )
+    }
 
     #counter(page).update(0)
   ]