chore: separate testing into its own md file #104

	name: Continuous Integration

	env:
	NODE_ENV: "production"

	on:
	push:
	branches:
	- main

	defaults:
	run:
	working-directory: apps

	jobs:
	backend:
	name: Backend
	runs-on: ubuntu-22.04
	timeout-minutes: 15
	steps:
	- name: Clone you-say repo in Ubuntu
	uses: actions/checkout@v4
	with:
	# We need to fetch all branches and commits so that Nx affected has a base to compare against.
	fetch-depth: 0

	- name: Set commit status to pending
	uses: guibranco/github-status-action-v2@v1.1.13
	with:
	authToken: ${{ secrets.GITHUB_TOKEN }}
	state: pending
	context: Set the commit status
	target_url: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}

	- name: Derive appropriate SHAs for base and head for `nx affected` commands
	uses: nrwl/nx-set-shas@v4

	- name: Setup NodeJS version
	uses: actions/setup-node@v4
	with:
	node-version: 20.10.0
	cache: "npm"

	- name: Install 3rd party libraries/packages
	run: npm ci --include="dev" --ignore-scripts

	- name: Check if codes are prettified
	run: npx nx format:check

	- name: Linting changed files and affected ones
	run: npx nx affected --target=lint --parallel=3

	- name: Build changed apps and the ones that were affected by those changes
	run: npx nx affected --target=build --parallel=3

	- name: Unit test changed and affected ones by those changes
	run: npx nx affected --target=test:unit --parallel=3 --ci --coverage

	# TODO: Build backend image
	# TODO: Push backend image to a docker registry

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