Auto Generate index : Vim Help(converted to HTML)

.
├── Async
│   └── HTTP.html
└── Geo
    ├── Location.html
    ├── Sun.html
    └── Weather.html

tree v2.1.1 © 1996 - 2023 by Steve Baker and Thomas Moore
HTML output hacked and copyleft © 1998 by Francesc Rocher
JSON output hacked and copyleft © 2014 by Florian Sesser
Charsets / OS/2 support © 2001 by Kyosuke Tokoro