add demos to README.md #35

	name: Release to Maven Central
	on:
	push:
	tags:
	- v[0-9].[0-9]+.[0-9]+
	- v[0-9].[0-9]+.[0-9]+-alpha[0-9]+
	- v[0-9].[0-9]+.[0-9]+-beta[0-9]+
	jobs:
	release_to_maven_central:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-java@v3
	with:
	distribution: temurin
	java-version: 17
	- name: Build ORX
	run: ./gradlew -Prelease.useLastTag=true build
	- name: Decode
	run: \|
	echo "${{secrets.SIGNING_SECRET_KEY_RING_FILE}}" > ~/.gradle/secring.gpg.b64
	base64 -d ~/.gradle/secring.gpg.b64 > ~/.gradle/secring.gpg
	- name: Publish
	run: ./gradlew publishToSonatype -Prelease.useLastTag=true -Psigning.keyId=${{secrets.SIGNING_KEY_ID}} -Psigning.password=openrndr -Psigning.secretKeyRingFile=$(echo ~/.gradle/secring.gpg)
	env:
	OSSRH_USERNAME: ${{secrets.OSSRH_USERNAME}}
	OSSRH_PASSWORD: ${{secrets.OSSRH_PASSWORD}}

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