Create ocean node setup README. #1157

	##
	## Copyright 2023 Ocean Protocol Foundation
	## SPDX-License-Identifier: Apache-2.0
	##
	name: Ocean.py multiple OS

	on:
	push:
	branches:
	- main
	tags:
	- '**'
	pull_request:
	branches:
	- '**'

	jobs:
	build:
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest, macos-latest, windows-latest]
	version: ['3.8', '3.10', '3.11']
	steps:
	- name: Setup Ocean.py
	uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.version }}
	- name: Install pypa/build
	run: >-
	python -m
	pip install
	build
	--user
	- name: Build a binary wheel and a source tarball
	run: >-
	python -m
	build
	--sdist
	--wheel
	--outdir dist/
	- name: Install Mac OS specific dependencies
	if: ${{ matrix.os == 'macos-latest' }}
	run: \|
	brew install autoconf automake libtool pkg-config
	- name: Install dependencies
	working-directory: ${{ github.workspace }}
	# vyper is grounded here until it declares explicit support for Python 3.11
	run: \|
	python -m pip install --upgrade pip
	pip install vyper==0.3.7 --ignore-requires-python
	pip install -r requirements_dev.txt

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