use maven wrapper to release the dependency on maven

[Nicole00]

For now, if users compile the source code, they need to install maven with specific version. But use maven wrapper, users will not need to install maven and do not consider the difference of maven versions between machines.

Maven Wrapper is a tool created to simplify working with Maven.
Using Maven Wrapper, you can execute Maven commands in your project without installing any Maven version, and Maven Wrapper will automatically download and install the required Maven version.