Reorganize messages

aleksis/apps/alsijil/assets/messages.json

-{
-  "en": {
-    "alsijil": {
-      "coursebook": {
-        "title": "Coursebook",
-        "create_documentation": "Create documentation",
-        "choose_week": "Choose week",
-        "choose_lesson_date": "Choose lesson date",
-        "sync": {
-          "saved": "All changes are saved.",
-          "updating": "Changes are being synced.",
-          "changes": "You have unsaved changes. Click to save them immediately.",
-          "error": "There has been an error while saving the latest changes."
-        }
-      },
-      "period": "Period",
-      "period_number": "{number}. period",
-      "lesson_documentation": {
-        "topic": "Topic",
-        "homework": "Homework",
-        "group_note": "Group note"
-      },
-      "calendar_week": "Calendar week",
-      "calendar_week_short": "Week",
-      "personal_note": {
-        "title": "Personal Note",
-        "title_plural": "Personal Notes",
-        "absent_title": "Absent",
-        "excused_title": "Excused",
-        "absent": "absent",
-        "excused": "excused",
-        "person": "Person",
-        "tardiness": "Tardiness",
-        "excuse_type": "Excuse type",
-        "extra_marks": "Extra marks",
-        "remarks": "Remarks",
-        "actions": {
-          "add": "Add personal note"
-        }
-      },
-      "error_occurred": "An error occurred",
-      "error_updating": "Error updating data",
-      "cancel": "Cancel",
-      "save": "Save",
-      "back": "Back"
-    }
-  },
-  "de": {
-    "coursebook": {
-      "title": "Kursbuch"
-    }
-  }
-}

aleksis/apps/alsijil/assets/messages/de.json

+{
+  "coursebook": {
+    "title": "Kursbuch"
+  }
+}

aleksis/apps/alsijil/assets/messages/en.json

+{
+  "alsijil": {
+    "coursebook": {
+      "title": "Coursebook",
+      "create_documentation": "Create documentation",
+      "choose_week": "Choose week",
+      "choose_lesson_date": "Choose lesson date",
+      "sync": {
+        "saved": "All changes are saved.",
+        "updating": "Changes are being synced.",
+        "changes": "You have unsaved changes. Click to save them immediately.",
+        "error": "There has been an error while saving the latest changes."
+      }
+    },
+    "period": "Period",
+    "period_number": "{number}. period",
+    "lesson_documentation": {
+      "topic": "Topic",
+      "homework": "Homework",
+      "group_note": "Group note"
+    },
+    "calendar_week": "Calendar week",
+    "calendar_week_short": "Week",
+    "personal_note": {
+      "title": "Personal Note",
+      "title_plural": "Personal Notes",
+      "absent_title": "Absent",
+      "excused_title": "Excused",
+      "absent": "absent",
+      "excused": "excused",
+      "person": "Person",
+      "tardiness": "Tardiness",
+      "excuse_type": "Excuse type",
+      "extra_marks": "Extra marks",
+      "remarks": "Remarks",
+      "actions": {
+        "add": "Add personal note"
+      }
+    },
+    "error_occurred": "An error occurred",
+    "error_updating": "Error updating data",
+    "cancel": "Cancel",
+    "save": "Save",
+    "back": "Back"
+  }
+}