feat(frontend): buttons kleiner maken

frontend/src/i18n/locale/de.json

@@ -63,5 +63,7 @@
     "pick-class": "Wählen Sie eine klasse",
     "choose-students": "Studenten auswählen",
     "create-group": "Gruppe erstellen",
-    "class": "klasse"
+    "class": "klasse",
+    "delete": "löschen",
+    "view-assignment": "Auftrag anzeigen"
 }

frontend/src/i18n/locale/en.json

@@ -63,5 +63,7 @@
     "pick-class": "Pick a class",
     "choose-students": "Select students",
     "create-group": "Create group",
-    "class": "class"
+    "class": "class",
+    "delete": "delete",
+    "view-assignment": "View assignment"
 }

frontend/src/i18n/locale/fr.json

@@ -63,5 +63,7 @@
     "pick-class": "Choisissez une classe",
     "choose-students": "Sélectionnez des élèves",
     "create-group": "Créer un groupe",
-    "class": "classe"
+    "class": "classe",
+    "delete": "supprimer",
+    "view-assignment": "Voir le travail"
 }

frontend/src/i18n/locale/nl.json

@@ -63,5 +63,7 @@
     "pick-class": "Kies een klas",
     "choose-students": "Studenten selecteren",
     "create-group": "Groep aanmaken",
-    "class": "klas"
+    "class": "klas",
+    "delete": "verwijderen",
+    "view-assignment": "Opdracht bekijken"
 }