bugfixes in server and cli-client

buildSrc/src/main/kotlin/Dependencies.kt

@@ -85,4 +85,18 @@ object JavaWebSocket {
     const val version = "1.5.2"
     const val group = "org.java-websocket"
     const val id = "$group:Java-WebSocket:$version"
+}
+
+object SpringBoot {
+    const val version = "2.5.6"
+    const val group = "org.springframework.boot"
+    const val plugin = group
+    const val starterWebsocket = "$group:spring-boot-starter-websocket"
+    const val starterTomcat = "$group:spring-boot-starter-tomcat"
+    const val starterLog4j2 = "$group:spring-boot-starter-log4j2"
+}
+
+object SpringDependencyManagement {
+    const val version = "1.0.11.RELEASE"
+    const val plugin = "io.spring.dependency-management"
 }