Add GitHub Actions automation and JitPack configuration #1

	name: CI

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

	jobs:
	test:
	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'

	- name: Cache Maven dependencies
	uses: actions/cache@v4
	with:
	path: ~/.m2
	key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
	restore-keys: ${{ runner.os }}-m2

	- name: Run tests - Main Library
	run: mvn clean test

	- name: Run tests - Integration Tests
	run: \|
	cd integration-tests
	mvn clean test

	- name: Build library
	run: mvn clean compile

	- name: Build integration tests
	run: \|
	cd integration-tests
	mvn clean compile

	jitpack-test:
	runs-on: ubuntu-latest
	if: github.event_name == 'push' && github.ref == 'refs/heads/main'

	steps:
	- name: Trigger JitPack build for main branch
	run: \|
	echo "Triggering JitPack build for main-SNAPSHOT"
	curl -s "https://jitpack.io/com/github/wassertim/dynamodb-toolkit/main-SNAPSHOT" \|\| true

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