[#8] update eureka server packages

Author: juan-medina

eureka-server/src/main/kotlin/org/learning/by/example/spring/kube/playground/eureka/EurekaServerApplication.kt renamed to eureka-server/src/main/kotlin/org/learning/by/example/spring/kube/playground/eureka/server/EurekaServerApplication.kt

@@ -1,4 +1,4 @@
-package org.learning.by.example.spring.kube.playground.eureka
+package org.learning.by.example.spring.kube.playground.eureka.server
 
 import org.springframework.boot.autoconfigure.SpringBootApplication
 import org.springframework.boot.runApplication

eureka-server/src/test/kotlin/org/learning/by/example/spring/kube/playground/eureka/EurekaServerApplicationTests.kt renamed to eureka-server/src/test/kotlin/org/learning/by/example/spring/kube/playground/eureka/server/EurekaServerApplicationTests.kt

@@ -1,4 +1,4 @@
-package org.learning.by.example.spring.kube.playground.eureka
+package org.learning.by.example.spring.kube.playground.eureka.server
 
 import org.junit.Test
 import org.junit.runner.RunWith