Add documentation and set of guidelines for writing detectors. #221

	name: build

	on:
	push:
	pull_request:

	jobs:
	build:
	strategy:
	matrix:
	os: [ ubuntu-latest, macos-latest ]
	java: [ 11 ]
	runs-on: ${{ matrix.os }}
	name: 'Build on ${{ matrix.os }} using Java ${{ matrix.java }}'
	steps:
	- name: 'Check out repository'
	uses: actions/checkout@v2
	- name: 'Set up JDK ${{ matrix.java }}'
	uses: actions/setup-java@v1
	with:
	java-version: ${{ matrix.java }}
	- name: 'Cache Gradle resources'
	uses: actions/cache@v2
	with:
	path: ~/.gradle/caches
	key: ${{ runner.os }}-gradle-${{ hashFiles('*/.gradle') }}
	restore-keys: ${{ runner.os }}-gradle
	- name: 'Javadocs'
	run: ./gradlew javadoc
	- name: 'Gradle build'
	run: ./gradlew build
	- name: 'Shadow JAR'
	run: ./gradlew shadowJar

Provide feedback