Add sonarcloud badges to README #10

	# Builds and pushes docker images on main and tags

	name: SonarCloud QA
	on:
	push:
	branches:
	- main
	paths:
	- ".github/workflows/sonarcloud.yaml"
	- "pom.xml"
	- "src/**"
	pull_request:
	types: [opened, synchronize, reopened]

	jobs:
	build:
	name: Build and Analyze
	runs-on: ubuntu-latest
	timeout-minutes: 60
	# Only analyze with Sonar on non-fork repos:
	# https://github.community/t/how-to-detect-a-pull-request-from-a-fork/18363/4
	# if: github.event.pull_request.head.repo.fork != true
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	fetch-depth: 0 # Shallow clones should be disabled for a better relevancy of analysis
	submodules: recursive
	show-progress: 'false'
	- name: Setup Java
	uses: actions/setup-java@v4
	with:
	distribution: 'temurin'
	java-version: '17'
	cache: 'maven'
	- name: Cache SonarCloud packages
	uses: actions/cache@v3
	with:
	path: ~/.sonar/cache
	key: ${{ runner.os }}-sonar
	restore-keys: ${{ runner.os }}-sonar

	- name: Build customized GeoServer version
	run: \|
	make deps

	- name: Analyze with Sonar
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # Needed to get PR information, if any
	SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
	run: \|
	./mvnw package org.sonarsource.scanner.maven:sonar-maven-plugin:sonar \
	-Dsonar.projectKey=geoserver_geoserver-cloud \
	-Dsonar.organization=geoserver \
	-DskipTests \
	-Dmaven.javadoc.skip=true \
	-ntp

Provide feedback