Add GitHub workflows for testing and publishing #3

	name: Build and test

	on:
	pull_request:
	push:
	branches:
	- main

	jobs:
	build-and-test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- uses: actions/setup-node@v3
	with:
	node-version: 18.x

	- name: Install dependencies
	run: npm ci

	- name: Build project
	run: npm run build

	- name: Check diff
	# Take from https://github.com/ionic-team/ionic-framework/blob/c801e2ada9d1f36bbb8ed58d814afae94510e304/.github/workflows/actions/test-core-clean-build/action.yml
	run: \|
	git diff --exit-code \|\| {
	echo -e "\033[1;31m⚠️ Error: Differences Detected ⚠️\033[0m"
	echo -e "\033[1;31mThere are uncommitted changes between the build outputs from CI and your branch.\033[0m"
	echo -e "\033[1;31mPlease ensure you have followed these steps:\033[0m"
	echo -e "\033[1;31m1. Run 'npm run build' locally to generate the latest build output.\033[0m"
	echo -e "\033[1;31m2. Commit and push all necessary changes to your branch.\033[0m"
	echo -e "\033[1;31m3. Compare and validate the differences before proceeding.\033[0m"
	exit 1
	}

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