moved backend code from plugin to backend folder #10

	# This workflow uses actions that are not certified by GitHub.
	# They are provided by a third-party and are governed by
	# separate terms of service, privacy policy, and support
	# documentation.
	# This workflow will build a Java project with Gradle and cache/restore any dependencies to improve the workflow execution time
	# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-java-with-gradle

	name: Build backend

	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]

	jobs:
	build:

	runs-on: ubuntu-latest
	permissions:
	contents: read

	steps:
	- uses: actions/checkout@v4
	- name: Set up JDK 17
	uses: actions/setup-java@v4
	with:
	java-version: '17'
	distribution: 'temurin'

	# Configure Gradle for optimal use in GitHub Actions, including caching of downloaded dependencies.
	# See: https://github.com/gradle/actions/blob/main/setup-gradle/README.md
	- name: Setup Gradle
	uses: gradle/actions/setup-gradle@af1da67850ed9a4cedd57bfd976089dd991e2582 # v4.0.0

	- name: Build with Gradle Wrapper
	run: ./gradlew build
	working-directory: backend

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