``` yaml
index: 1                # Optional: Override node index
title: Documentation    # Optional: Override node title
toc: true               # Optional: Show in TOC (default: true)
book: true              # Optional: Include in book (default: true)
templates:              # Optional: Templates
  node: 'template1'     # Optional: Node template (default: @node)
  items: 'template2'    # Optional: Items template (default: @item)
headfiles:              # Optional: Additional file on top of node document
  - 01.md
files:                  # Optional: Additional file in node document
  - 01.md
footfiles:
  - 01.md               # Optional: Additional file at bootom of node document
```