add - 添加 健康检查 接口

workflow-engine-server/src/main/java/cn/axzo/workflow/server/controller/health/HealthCheckController.java

@@ -0,0 +1,13 @@
+package cn.axzo.workflow.server.controller.health;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class HealthCheckController {
+
+    @GetMapping("/checkDeath")
+    public String checkDeath() {
+        return "hello";
+    }
+}