Add money history graph feature: Implement moneyHistoryGraph method in FalukantService and corresponding controller and router updates. Enhance frontend with a new dialog for displaying money history over various time ranges, including localization updates for German and English. This improves user experience by providing visual insights into financial data.

frontend/src/i18n/locales/de/falukant.json

@@ -581,6 +581,22 @@
             "time": "Zeit",
             "prev": "Zurück",
             "next": "Weiter",
+            "graph": {
+                "open": "Verlauf anzeigen",
+                "title": "Geldentwicklung",
+                "close": "Schließen",
+                "loading": "Lade Verlauf...",
+                "noData": "Für den gewählten Zeitraum liegen keine Buchungen vor.",
+                "range": {
+                    "label": "Zeitraum",
+                    "today": "Heute",
+                    "24h": "Letzte 24 Stunden",
+                    "week": "Letzte Woche",
+                    "month": "Letzter Monat",
+                    "year": "Letztes Jahr",
+                    "all": "Gesamter Verlauf"
+                }
+            },
             "activities": {
                 "Product sale": "Produkte verkauft",
                 "Production cost": "Produktionskosten",

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

@@ -111,6 +111,22 @@
             "time": "Time",
             "prev": "Previous",
             "next": "Next",
+            "graph": {
+                "open": "Show graph",
+                "title": "Money over time",
+                "close": "Close",
+                "loading": "Loading history...",
+                "noData": "No entries for the selected period.",
+                "range": {
+                    "label": "Range",
+                    "today": "Today",
+                    "24h": "Last 24 hours",
+                    "week": "Last week",
+                    "month": "Last month",
+                    "year": "Last year",
+                    "all": "All history"
+                }
+            },
             "activities": {
                 "Product sale": "Product sale",
                 "Production cost": "Production cost",