Move all endpoints into separate files and package

octopus-java/.idea/workspace.xml

...us-agent/src/main/java/com/chaos/octopus/agent/Agent.java

...c/main/java/com/chaos/octopus/agent/ExecutionHandler.java

...main/java/com/chaos/octopus/agent/action/AgentAction.java

...ava/com/chaos/octopus/agent/action/EnqueueTaskAction.java

...a/com/chaos/octopus/agent/endpoint/PluginGetEndpoint.java

...va/com/chaos/octopus/agent/endpoint/StateGetEndpoint.java

...com/chaos/octopus/agent/endpoint/TaskEnqueueEndpoint.java

...src/test/java/com/chaos/octopus/agent/unit/AgentTest.java

...chaos/octopus/agent/unit/action/AgentStateActionTest.java

...main/java/com/chaos/octopus/server/AllocationHandler.java

.../main/java/com/chaos/octopus/server/OrchestratorImpl.java

...m/chaos/octopus/server/endpoint/AgentConnectEndpoint.java

...m/chaos/octopus/server/endpoint/TaskCompleteEndpoint.java

...com/chaos/octopus/server/endpoint/TaskUpdateEndpoint.java