Add more more detailed documentation about volume data and the RAW 3D… #3

	name: mdbook-ghpages

	# Controls when the action will run. Triggers the workflow on push or pull request
	# events but only for the master branch
	on:
	push:
	branches: [ main ]

	permissions:
	contents: write # for committing to gh-pages branch.

	# A workflow run is made up of one or more jobs that can run sequentially or in parallel
	jobs:
	# This workflow contains a single job called "build"
	build:
	# The type of runner that the job will run on
	runs-on: ubuntu-latest

	# Steps represent a sequence of tasks that will be executed as part of the job
	steps:
	# Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
	- uses: actions/checkout@v2
	- name: Rust Cache # cache the rust build artefacts
	uses: Swatinem/rust-cache@v1
	- name: Install mdbook
	run: cargo install mdbook
	- name: Build # build
	run: mdbook build
	- name: Deploy
	uses: JamesIves/github-pages-deploy-action@v4
	with:
	folder: book
	# this option will not maintain any history of your previous pages deployment
	# set to false if you want all page build to be committed to your gh-pages branch history
	single-commit: true

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