Restructure example-node into a single calculator app (#53) #3

	name: Workflow for Codecov example-node
	on: [push, pull_request]
	jobs:
	run:
	runs-on: ubuntu-latest
	permissions:
	id-token: write
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Set up Node.js
	uses: actions/setup-node@v4
	with:
	node-version: '20'
	- name: Install dependencies
	run: npm install
	- name: Run tests and collect coverage
	run: npm test
	- name: Upload test results to Codecov
	if: ${{ !cancelled() }}
	uses: codecov/test-results-action@v1
	with:
	token: ${{ secrets.CODECOV_TOKEN }}
	- name: Upload coverage to Codecov (arg token)
	uses: codecov/codecov-action@v4
	with:
	fail_ci_if_error: true
	token: ${{ secrets.CODECOV_TOKEN }}
	verbose: true
	- name: Upload coverage to Codecov (oidc)
	uses: codecov/codecov-action@v4
	with:
	fail_ci_if_error: true
	use_oidc: true
	verbose: true

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