docs: added section about custom visualizations for custom watchers #153

	name: Build

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	with:
	submodules: recursive

	- name: Set up Python
	uses: actions/setup-python@v1
	with:
	python-version: 3.8
	- name: Install APT dependencies
	run: \|
	sudo apt-get install -y git build-essential apt-utils wget libfreetype6 libpng-dev libopenblas-dev gcc gfortran libsnappy-dev
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip poetry
	poetry install
	- name: Build docs
	run: \|
	poetry run make html
	- name: Upload build
	uses: actions/upload-artifact@v2-preview
	with:
	name: build
	path: _build

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