[Enhancement] Add maven dependency guide in java example

[ruanwenjun]

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• I had searched in the issues and found no similar issues.

Enhancement Request

User want to use eventmesh java sdk, they need to add eventmesh-sdk-java to their pom.xml/build.gradle, this should be addressed in quick start.
https://mvnrepository.com/artifact/org.apache.eventmesh/eventmesh-sdk-java

Describe the solution you'd like

Add java client guide like pulsar in quick start.
https://pulsar.apache.org/docs/en/client-libraries-java/

Are you willing to submit PR?

• Yes I am willing to submit a PR!

[HoffmanZheng]

There is doc of eventmesh-sdk-java-quickstart (and also the chinese version), is that not enough for a java client guide?
Enrich the above mentioned doc, or write a brand new java client guide, which do you prefer?

[ruanwenjun]

There is doc of eventmesh-sdk-java-quickstart (and also the chinese version), is that not enough for a java client guide? Enrich the above mentioned doc, or write a brand new java client guide, which do you prefer?

You can update the doc eventmesh-sdk-java-quickstart.
The current doc is not enough, it needs to mention how to use the sdk in project.

[HoffmanZheng]

Assign this to me.