[Improve] JAVA_OPTS Improvement

[wolfboys]

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Description

Currently, setting the memory size, number of threads, and other JAVA_OPTS in StreamPark requires configuration in the startup script. which is inconvenient for users. We can improve this by using a separate configuration file to set JAVA_OPTS. Users only need to modify this configuration file, restart, and the changes to these parameters will take effect. We can refer to projects such as Tomcat, DS, etc., to complete this. 🚀

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