feat: update back-end README #1109

	name: Test Backend

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main
	workflow_dispatch:

	defaults:
	run:
	shell: bash

	permissions:
	contents: read

	concurrency:
	group: pr-checks-${{ github.workflow }}-${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: true

	jobs:
	test:
	name: Unit Tests \| ${{ matrix.test-suite.name }}
	runs-on: transaction-tools-linux-medium
	strategy:
	fail-fast: false
	matrix:
	test-suite:
	- name: API
	command: api
	- name: Chain
	command: chain
	- name: Notifications
	command: notifications
	steps:
	- name: Harden Runner
	uses: step-security/harden-runner@0080882f6c36860b6ba35c610c98ce87d4e2f26f # v2.10.2
	with:
	egress-policy: audit

	- name: Checkout code
	uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

	- name: Install pnpm
	uses: step-security/action-setup@303e8a1dabc4295b9b4ca0f4198fd42f7861406e # v4.0.0
	with:
	version: 9

	- name: Set up Node.js
	uses: actions/setup-node@60edb5dd545a775178f52524783378180af0d1f8 # v4.0.2
	with:
	node-version: 20
	cache: "pnpm"
	cache-dependency-path: \|
	back-end/pnpm-lock.yaml

	- name: Install dependencies
	run: pnpm install
	working-directory: back-end

	- name: Run unit tests
	run: pnpm --filter ${{ matrix.test-suite.command }} test:cov
	working-directory: back-end

	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@5c47607acb93fed5485fdbf7232e8a31425f672a # v5.0.2
	with:
	token: ${{ secrets.CODECOV_TOKEN }}

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