Refactor TornadoVM demo: package, Gradle build, documentation #1

	name: TornadoVM Demo

	on:
	push:
	paths:
	- 'demos/tornadovm/**'
	- '.github/workflows/tornadovm.yml'
	pull_request:
	paths:
	- 'demos/tornadovm/**'
	- '.github/workflows/tornadovm.yml'

	permissions:
	contents: read

	concurrency:
	group: tornadovm-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	tornadovm-baseline:
	name: TornadoVM Baseline (CPU)
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Set up JDK 21
	uses: actions/setup-java@v4
	with:
	distribution: 'temurin'
	java-version: '21'

	- name: Set up Gradle
	uses: gradle/actions/setup-gradle@v4

	- name: Run baseline vector add (CPU)
	run: ./gradlew :demos:tornadovm:run --no-daemon

	- name: Verify output
	run: \|
	echo "✅ TornadoVM baseline demo completed"
	echo "Shows CPU performance baseline"
	echo "For GPU version, use scripts/run-tornado.sh (requires OpenCL/CUDA)"

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