added new files

serviceinterface/CMakeLists.txt

@@ -1,5 +1,5 @@
-target_sources(${LIB_FSFW_NAME} 
-	PRIVATE 
-		ServiceInterfaceStream.cpp
-		ServiceInterfaceBuffer.cpp
+target_sources(${LIB_FSFW_NAME} PRIVATE 
+	ServiceInterfaceStream.cpp
+	ServiceInterfaceBuffer.cpp
+	ServiceInterfacePrinter.cpp
 )

serviceinterface/ServiceInterfacePrinter.cpp

@@ -0,0 +1,2 @@
+#include "ServiceInterfacePrinter.h"
+