Add new problem: stepLR learning rate scheduler #49

	name: Build & Validate Question Bundles

	on:
	push:
	branches: [main]
	paths: ['questions/', 'utils/', 'schemas/**']
	pull_request:
	paths: ['questions/', 'utils/', 'schemas/**']

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

	steps:
	- uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.12'

	- name: Install deps
	run: pip install jsonschema

	# ---------- build ----------
	- name: Build bundles into /build
	run: python utils/build_bundle.py

	# ---------- validate ----------
	- name: Validate bundles
	run: python utils/validate_questions.py build/*.json

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