add init example module for encrypt.

<?xml version="1.0" encoding="UTF-8"?>

<!--

  ~ Licensed to the Apache Software Foundation (ASF) under one or more

  ~ contributor license agreements.  See the NOTICE file distributed with

  ~ this work for additional information regarding copyright ownership.

  ~ The ASF licenses this file to You under the Apache License, Version 2.0

  ~ (the "License"); you may not use this file except in compliance with

  ~ the License.  You may obtain a copy of the License at

  ~

  ~     http://www.apache.org/licenses/LICENSE-2.0

  ~

  ~ Unless required by applicable law or agreed to in writing, software

  ~ distributed under the License is distributed on an "AS IS" BASIS,

  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  ~ See the License for the specific language governing permissions and

  ~ limitations under the License.

  -->

<project xmlns="http://maven.apache.org/POM/4.0.0"

         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

    <modelVersion>4.0.0</modelVersion>

    <parent>

        <groupId>org.apache.shardingsphere.example</groupId>

        <artifactId>encrypt-example</artifactId>

        <version>4.0.0-RC1-SNAPSHOT</version>

    </parent>

    <artifactId>encrypt-raw-jdbc-example</artifactId>

</project>

<?xml version="1.0" encoding="UTF-8"?>

<!--

  ~ Licensed to the Apache Software Foundation (ASF) under one or more

  ~ contributor license agreements.  See the NOTICE file distributed with

  ~ this work for additional information regarding copyright ownership.

  ~ The ASF licenses this file to You under the Apache License, Version 2.0

  ~ (the "License"); you may not use this file except in compliance with

  ~ the License.  You may obtain a copy of the License at

  ~

  ~     http://www.apache.org/licenses/LICENSE-2.0

  ~

  ~ Unless required by applicable law or agreed to in writing, software

  ~ distributed under the License is distributed on an "AS IS" BASIS,

  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  ~ See the License for the specific language governing permissions and

  ~ limitations under the License.

  -->

<project xmlns="http://maven.apache.org/POM/4.0.0"

         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

    <modelVersion>4.0.0</modelVersion>

    <parent>

        <groupId>org.apache.shardingsphere.example</groupId>

        <artifactId>encrypt-example</artifactId>

        <version>4.0.0-RC1-SNAPSHOT</version>

    </parent>

    <artifactId>encrypt-spring-boot-example</artifactId>

</project>

<?xml version="1.0" encoding="UTF-8"?>

<!--

  ~ Licensed to the Apache Software Foundation (ASF) under one or more

  ~ contributor license agreements.  See the NOTICE file distributed with

  ~ this work for additional information regarding copyright ownership.

  ~ The ASF licenses this file to You under the Apache License, Version 2.0

  ~ (the "License"); you may not use this file except in compliance with

  ~ the License.  You may obtain a copy of the License at

  ~

  ~     http://www.apache.org/licenses/LICENSE-2.0

  ~

  ~ Unless required by applicable law or agreed to in writing, software

  ~ distributed under the License is distributed on an "AS IS" BASIS,

  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  ~ See the License for the specific language governing permissions and

  ~ limitations under the License.

  -->

<project xmlns="http://maven.apache.org/POM/4.0.0"

         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

    <modelVersion>4.0.0</modelVersion>

    <parent>

        <groupId>org.apache.shardingsphere.example</groupId>

        <artifactId>encrypt-example</artifactId>

        <version>4.0.0-RC1-SNAPSHOT</version>

    </parent>

    <artifactId>encrypt-spring-namespace-example</artifactId>

</project>

<?xml version="1.0" encoding="UTF-8"?>

<!--

  ~ Licensed to the Apache Software Foundation (ASF) under one or more

  ~ contributor license agreements.  See the NOTICE file distributed with

  ~ this work for additional information regarding copyright ownership.

  ~ The ASF licenses this file to You under the Apache License, Version 2.0

  ~ (the "License"); you may not use this file except in compliance with

  ~ the License.  You may obtain a copy of the License at

  ~

  ~     http://www.apache.org/licenses/LICENSE-2.0

  ~

  ~ Unless required by applicable law or agreed to in writing, software

  ~ distributed under the License is distributed on an "AS IS" BASIS,

  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  ~ See the License for the specific language governing permissions and

  ~ limitations under the License.

  -->

<project xmlns="http://maven.apache.org/POM/4.0.0"

         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

    <modelVersion>4.0.0</modelVersion>

    <packaging>pom</packaging>

    <modules>

        <module>encrypt-raw-jdbc-example</module>

        <module>encrypt-spring-boot-example</module>

        <module>encrypt-spring-namespace-example</module>

    </modules>

    <parent>

        <groupId>org.apache.shardingsphere.example</groupId>

        <artifactId>sharding-jdbc-example</artifactId>

        <version>4.0.0-RC1-SNAPSHOT</version>

    </parent>

    <artifactId>encrypt-example</artifactId>

</project>

        <module>sharding-example</module>

        <module>transaction-example</module>

        <module>hint-example</module>

        <module>encrypt-example</module>

    </modules>

</project>