feat: thema's dropdown

frontend/src/i18n/locale/de.json

@@ -39,5 +39,10 @@
         "high-school": "16-18 jahre alt",
         "older": "18 und älter"
     },
-    "read-more": "Mehr lesen"
+    "read-more": "Mehr lesen",
+    "new-assignment": "Neue Aufgabe",
+    "next": "nächste",
+    "previous": "vorherige",
+    "groups": "Gruppen",
+    "learning-path": "Lernpfad"
 }

frontend/src/i18n/locale/en.json

@@ -40,5 +40,9 @@
         "older": "18 and older"
     },
     "read-more": "Read more",
-    "new-assignment": "New Assignment"
+    "new-assignment": "New Assignment",
+    "next": "next",
+    "previous": "previous",
+    "groups": "Groups",
+    "learning-path": "Learning path"
 }

frontend/src/i18n/locale/fr.json

@@ -40,5 +40,9 @@
         "older": "18 et plus"
     },
     "read-more": "En savoir plus",
-    "new-assignment": "Nouveau travail"
+    "new-assignment": "Nouveau travail",
+    "next": "suivant",
+    "previous": "précédent",
+    "groups": "Groupes",
+    "learning-path": "Parcours d'apprentissage"
 }

frontend/src/i18n/locale/nl.json

@@ -39,5 +39,10 @@
         "high-school": "3e graad secundair",
         "older": "Hoger onderwijs"
     },
-    "read-more": "Lees meer"
+    "read-more": "Lees meer",
+    "new-assignment": "Nieuwe opdracht",
+    "next": "volgende",
+    "previous": "vorige",
+    "groups": "Groepen",
+    "learning-path": "Leerpad"
 }