Add and configure Maven Spotless plugin for formatting #156

	on:
	pull_request:
	branches:
	- master
	push:
	branches:
	- master

	name: Test build

	jobs:
	build:
	name: Test build
	runs-on: ubuntu-latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	- name: Set up JDK 21
	uses: actions/setup-java@v4
	with:
	java-version: 21
	distribution: 'temurin'
	# Step that caches and restores maven dependencies
	- name: Cache maven dependencies
	uses: actions/cache@v4
	with:
	path: ~/.m2/repository
	key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
	restore-keys: \|
	${{ runner.os }}-maven-
	- name: Install Dependencies
	run: sudo apt-get install -y genisoimage
	- name: Build with Maven
	run: mvn -B install --file pom.xml

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