Complete lazy demo

Folder 1
- Item 1.1
Folder 2
- Subfolder 2.1
  - File 2.1.1
  - File 2.1.2
- File 2.2
Folder 3 (closed at start)
- File 3.1
File 4

contents 0 ×× ‹ ›

Resize me -->

contents 2

contents 3

contents 0 ×× ‹ ›

<-- Resize me

contents 2

contents 3

test