Update calendar localization and enhance CalendarView: Add new entries, edit options, selection info, and form fields in both English and German localization files. Improve CalendarView component with new event dialog and selection handling for a better user experience.

frontend/src/i18n/locales/en/personal.json

@@ -3,6 +3,11 @@
         "calendar": {
             "title": "Calendar",
             "today": "Today",
+            "newEntry": "New Entry",
+            "editEntry": "Edit Entry",
+            "selectedDays": "{count} days selected",
+            "createEventForSelection": "Create Event",
+            "clearSelection": "Clear Selection",
             "views": {
                 "month": "Month",
                 "week": "Week",
@@ -40,6 +45,31 @@
                 "oct": "October",
                 "nov": "November",
                 "dec": "December"
+            },
+            "categories": {
+                "personal": "Personal",
+                "work": "Work",
+                "family": "Family",
+                "health": "Health",
+                "birthday": "Birthday",
+                "holiday": "Holiday",
+                "reminder": "Reminder",
+                "other": "Other"
+            },
+            "form": {
+                "title": "Title",
+                "titlePlaceholder": "Enter title...",
+                "category": "Category",
+                "startDate": "Start Date",
+                "startTime": "Start Time",
+                "endDate": "End Date",
+                "endTime": "End Time",
+                "allDay": "All Day",
+                "description": "Description",
+                "descriptionPlaceholder": "Optional description...",
+                "save": "Save",
+                "cancel": "Cancel",
+                "delete": "Delete"
             }
         }
     }