Introduce single abstract template and remove redundant code (#26)

thesis.typ

@@ -3,12 +3,10 @@
 #import "common/titlepage.typ": *
 #import "thesis_typ/disclaimer.typ": *
 #import "thesis_typ/acknowledgement.typ": *
-#import "thesis_typ/abstract_en.typ": *
-#import "thesis_typ/abstract_de.typ": *
+#import "thesis_typ/abstract.typ": *
 #import "common/metadata.typ": *
 #import "common/utils.typ": TODO
 
-
 #set document(title: titleEnglish, author: author)
 
 #cover(
@@ -39,9 +37,16 @@
 
 #acknowledgement()
 
-#abstract_en()
+#abstract(lang: "en")[
+  Note:
+  1. *paragraph:* What is the motivation of your thesis? Why is it interesting from a scientific point of view? Which main problem do you like to solve?
+  2. *paragraph:* What is the purpose of the document? What is the main content, the main contribution?
+  3. *paragraph:* What is your methodology? How do you proceed?
+]
 
-#abstract_de()
+#abstract(lang: "de")[
+  Note: Insert the German translation of the English abstract here.
+]
 
 #show: project.with(
   title: titleEnglish,

thesis_typ/abstract_de.typ → thesis_typ/abstract.typ

@@ -1,4 +1,6 @@
-#let abstract_de() = {
+#let abstract(body, lang: "en") = {
+  let title = (en: "Abstract", de: "Zusammenfassung")
+
   set page(
     margin: (left: 30mm, right: 30mm, top: 40mm, bottom: 40mm),
     numbering: none,
@@ -11,22 +13,19 @@
   set text(
     font: body-font, 
     size: 12pt, 
-    lang: "de"
+    lang: lang
   )
-  
+
   set par(
     leading: 1em,
     justify: true
   )
 
-
-  // --- Abstract (EN) ---
+  // --- Abstract ---
   v(1fr)
-  align(center, text(font: body-font, 1em, weight: "semibold", "Zusammenfassung"))
+  align(center, text(font: body-font, 1em, weight: "semibold", title.at(lang)))
 
-  text[
-    Note: Insert the German translation of the English abstract here.
-  ]
+  body
 
   v(1fr)
 }