Add validation matrix for linux, macos, windows over python versions #53

	name: validate-main

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	jobs:
	validate-ubuntu-python3_11:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v5
	with:
	python-version: '3.11'

	- name: Lint
	run: \|
	python3 -m pip install --user pip --upgrade pylint
	pylint qdox.py

	- name: Validate
	run: \|
	python3 -m pip install .
	mv docs/index.html docs/validate.html
	python3 -m qdox --withcss
	diff docs/index.html docs/validate.html \|\| (echo '*ERROR*: Did you forget to run `make` before pushing your latest changes?' >/dev/stderr;false)

	validate-ubuntu-python3_12:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v5
	with:
	python-version: '3.12'

	- name: Lint
	run: \|
	python3 -m pip install --user pip --upgrade pylint
	pylint qdox.py

	- name: Validate
	run: \|
	python3 -m pip install .
	mv docs/index.html docs/validate.html
	python3 -m qdox --withcss
	diff docs/index.html docs/validate.html \|\| (echo '*ERROR*: Did you forget to run `make` before pushing your latest changes?' >/dev/stderr;false)

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