Add a proof-of-concept for "Observer-like" batch loading #87

	name: Pull Request Build
	# For pull requests: builds and test
	on:
	push:
	branches:
	- '!master'
	pull_request:
	branches:
	- master
	jobs:
	buildAndTest:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v1
	- uses: gradle/wrapper-validation-action@v1
	- name: Set up JDK 1.8
	uses: actions/setup-java@v1
	with:
	java-version: '8.0.282'
	- name: build and test
	run: ./gradlew assemble && ./gradlew check --info --stacktrace

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