frontend & backend update

Core/Localization/en_US/settings.php

@@ -0,0 +1,24 @@
+<?php
+
+return [
+  "settings" => "Settings",
+  "information" => "Information",
+
+  # API Key
+  "api_key" => "API Key",
+  "valid_until" => "Valid until",
+  "token" => "Token",
+  "request_new_key" => "Request new Key",
+  "show_only_active_keys" => "Show only active keys",
+
+  # GPG Key
+  "gpg_key_placeholder_text" => "Paste or drag'n'drop your GPG-Key in ASCII format...",
+
+  # 2fa
+  "register_2fa_device" => "Register a 2FA-Device",
+  "register_2fa_totp_text" => "Scan the QR-Code with a device you want to use for Two-Factor-Authentication (2FA). " .
+    "On Android, you can use the Google Authenticator.",
+  "register_2fa_fido_text" => "You may need to interact with your Device, e.g. typing in your PIN or touching to confirm the registration.",
+  "remove_2fa" => "Remove 2FA Token",
+  "remove_2fa_text" => "Enter your current password to confirm the removal of your 2FA Token",
+];