clean up and release alpha #97

	name: CI

	on: [push]

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Set up JDK 11
	uses: actions/setup-java@v2
	with:
	java-version: '11'
	distribution: 'adopt'
	cache: gradle
	- name: Validate Gradle wrapper
	uses: gradle/wrapper-validation-action@e6e38bacfdf1a337459f332974bb2327a31aaf4b
	- name: Build, test, lint
	run: ./gradlew build
	- name: Analyse dependencies for vulnerabilities
	run: ./gradlew dependencyCheckAnalyze
	- uses: actions/upload-artifact@v2
	with:
	name: Upload build artifacts
	path: build/libs
	- name: Cleanup Gradle Cache
	# Remove some files from the Gradle cache, so they aren't cached by GitHub Actions.
	# Restoring these files from a GitHub Actions cache might cause problems for future builds.
	run: \|
	rm -f ~/.gradle/caches/modules-2/modules-2.lock
	rm -f ~/.gradle/caches/modules-2/gc.properties

Provide feedback