Update OpAmp_circuits.md #21

	name: deploy-book

	# Run this when the master or main branch changes
	on:
	push:
	branches:
	- master
	- main
	# If your git repository has the Jupyter Book within some-subfolder next to
	# unrelated files, you can make this run only if a file within that specific
	# folder has been modified.
	#
	# paths:
	# - some-subfolder/**

	# This job installs dependencies, builds the book, and pushes it to `gh-pages`
	jobs:
	deploy-book:
	runs-on: ubuntu-latest
	permissions:
	pages: write
	id-token: write
	steps:
	- uses: actions/checkout@v3

	# Install dependencies
	- name: Set up Python 3.11
	uses: actions/setup-python@v4
	with:
	python-version: 3.11

	- name: Install dependencies
	run: \|
	pip install -r requirements.txt

	# (optional) Cache your executed notebooks between runs
	# if you have config:
	# execute:
	# execute_notebooks: cache
	- name: cache executed notebooks
	uses: actions/cache@v3
	with:
	path: _build/.jupyter_cache
	key: jupyter-book-cache-${{ hashFiles('requirements.txt') }}

	# Build the book
	- name: Build the book
	run: \|
	jupyter-book build .

	# Upload the book's HTML as an artifact
	- name: Upload artifact
	uses: actions/upload-pages-artifact@v2
	with:
	path: "_build/html"

	# Deploy the book's HTML to GitHub Pages
	- name: Deploy to GitHub Pages
	id: deployment
	uses: actions/deploy-pages@v2

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