Job lifecycle plugin example link broken

[pwonson]

Describe the bug The link to the example code for the job life cycle plugin is broken.

Bad URL == https://github.com/rundeck/rundeck/tree/master/examples/example-java-job-lifecyle-plugin

Correct URL might be one of these:

• https://github.com/rundeck/rundeck/tree/master/examples/example-java-execution-lifecyle-plugin
• https://github.com/rundeck/rundeck/tree/master/examples/example-java-job-lifecycle-plugin

Source page https://docs.rundeck.com/docs/developer/job-lifecycle.html#example-code