feat: Spring Data JDBC added README.md and run examples #5

	name: Spring Data JDBC YDB Dialect CI with Maven

	on:
	push:
	paths:
	- 'spring-data-jdbc-ydb/**'
	branches:
	- main
	pull_request:
	paths:
	- 'spring-data-jdbc-ydb/**'

	env:
	MAVEN_ARGS: --batch-mode --update-snapshots -Dstyle.color=always

	jobs:
	build:
	name: Spring Data JDBC YDB Dialect
	runs-on: ubuntu-latest

	strategy:
	matrix:
	java: [ '17', '21' ]

	steps:
	- uses: actions/checkout@v4

	- name: Set up JDK ${{matrix.java}}
	uses: actions/setup-java@v4
	with:
	java-version: ${{matrix.java}}
	distribution: 'temurin'
	cache: maven

	- name: Extract spring-data-jdbc YDB dialect version
	working-directory: ./spring-data-jdbc-ydb
	run: \|
	VERSION=$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout)
	echo "SPRING_DATA_JDBC_DIALECT_VERSION=$VERSION" >> "$GITHUB_ENV"

	- name: Download spring-data-jdbc YDB dialect dependencies
	working-directory: ./spring-data-jdbc-ydb
	run: mvn $MAVEN_ARGS dependency:go-offline

	- name: Build spring-data-jdbc YDB dialect
	working-directory: ./spring-data-jdbc-ydb
	run: mvn $MAVEN_ARGS install

	- uses: actions/checkout@v4
	with:
	repository: ydb-platform/ydb-java-examples
	ref: master
	path: examples

	- name: Download dependencies
	working-directory: ./examples/jdbc/spring-data-jdbc
	run: mvn $MAVEN_ARGS -Dspring.data.jdbc.ydb.version=$SPRING_DATA_JDBC_DIALECT_VERSION dependency:go-offline

	- name: Test examples with Maven
	working-directory: ./examples/jdbc/spring-data-jdbc
	run: mvn $MAVEN_ARGS -Dspring.data.jdbc.ydb.version=$SPRING_DATA_JDBC_DIALECT_VERSION test

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