🌎 added locale based csv/xlsx header parsing

ref #13

src/locales/de.json

@@ -6,6 +6,8 @@
     "by": "von",
     "cannot-reset-your-password-directly": "Schade. \nWir können das Passwort leider nicht direkt zurücksetzen.\nBitte sende uns eine Mail in der du deine Identität bestätigst.",
     "credits": "",
+    "csv_import__firstname": "Vorname",
+    "csv_import__middlename": "Mittelname",
     "dashboard-greeting": "Moin",
     "datatable": {
         "search": "🔍 Suche ...",

src/locales/en.json

@@ -22,6 +22,10 @@
     "create-organization": "Create Organization",
     "create-user": "Create User",
     "credits": "Credits",
+    "csv_import__firstname": "First Name",
+    "csv_import__lastname": "Nachname",
+    "csv_import__middlename": "Middlename",
+    "csv_import__team": "Team",
     "dashboard-greeting": "hello there",
     "dashboard-title": "Dashboard",
     "datatable": {