Replace with clean path-intact layout + Chapter 2 working code + CI #1

	name: Python (Chapters)

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

	jobs:
	test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.10", "3.11"]
	steps:
	- uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install root deps
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements.txt

	- name: Run Chapter 2 tests
	run: pytest -q ch2_rl_formulation/tests

	- name: Run Chapter 3 tests
	run: pytest -q ch3_multi_armed_bandits/tests

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