simple R2DBC

1. Start Spring io

2. pom.xml 注意：平台已经自动添加了H2的R2DBC的依赖：

    <dependency>
        <groupId>io.r2dbc</groupId>
        <artifactId>r2dbc-h2</artifactId>
        <scope>runtime</scope>
    </dependency>
   

手动添加 org.joda 依赖：

	<dependency>
		<groupId>org.joda</groupId>
		<artifactId>joda-money</artifactId>
		<version>1.0.1</version>
	</dependency>

1. schema.sql, data.sql