info_tfgrid/heroscript/tfmanual/book_collections.md

```js

!!book.generate name:'tfmanual' title:'ThreeFold Manual Hero Version'
        url:'https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/books/tfmanual'

!!doctree.add
    url:'https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/collections/tfmanual_intro'

!!doctree.add
    url:'https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/collections/documentation'

```