add password reset link option

When enabled (in Settings > Password Resets), a magic link will be sent
instead of a PIN when the user tries reset their password. By doing
this the user doesn't have to keep the Jellyfin tab open to enter the
code.

config/config-base.json

@@ -468,6 +468,27 @@
                     "value": "/path/to/jellyfin",
                     "description": "Path to the folder Jellyfin puts password-reset files."
                 },
+                "link_reset": {
+                    "name": "Use reset link instead of PIN",
+                    "required": false,
+                    "requires_restart": true,
+                    "depends_true": "enabled",
+                    "type": "bool",
+                    "value": false,
+                    "description": "Send users a link to reset their password instead of a PIN."
+                },
+                "language": {
+                    "name": "Default reset link language",
+                    "required": false,
+                    "requires_restart": true,
+                    "depends_true": "link_reset",
+                    "type": "select",
+                    "options": [
+                        ["en-us", "English (US)"]
+                    ],
+                    "value": "en-us",
+                    "description": "Default language for password reset success screen."
+                },
                 "email_html": {
                     "name": "Custom email (HTML)",
                     "required": false,