feat(core): add systemSettings i18n keys (en)

frontend/src/i18n/locales/en.json

@@ -755,5 +755,28 @@
     "padding": "Padding",
     "created": "Sequence created.",
     "empty": "No sequences"
+  },
+  "systemSettings": {
+    "title": "System",
+    "companyInfo": "Company Information",
+    "companyName": "Company name",
+    "legalForm": "Legal form",
+    "companyAddress": "Company address",
+    "taxBankInfo": "Tax & Banking",
+    "taxNumber": "Tax number",
+    "vatId": "VAT ID",
+    "iban": "IBAN",
+    "bic": "BIC",
+    "bankName": "Bank name",
+    "ceo": "CEO",
+    "tradeRegister": "Trade register",
+    "defaults": "Defaults",
+    "defaultCurrency": "Default currency",
+    "defaultTax": "Default tax rate",
+    "invoicePrefix": "Invoice prefix",
+    "quotePrefix": "Quote prefix",
+    "paymentTermsDays": "Payment terms (days)",
+    "saved": "System settings saved.",
+    "saveFailed": "Failed to save settings."
   }
 }