Add refactored CMake example

modules/ModuleA/CMakeLists.txt

@@ -0,0 +1,7 @@
+set(MY_LIB "moduleA")
+
+add_library(${MY_LIB} STATIC "src/ClassA.cpp")
+
+target_include_directories(${MY_LIB} PRIVATE "include/moduleA")
+
+target_include_directories(${MY_LIB} PUBLIC "include")

modules/ModuleA/include/moduleA/ClassA.h

@@ -0,0 +1,9 @@
+#ifndef CLASS_A_
+#define CLASS_A_
+
+class ClassA {
+public:
+  static void hello();
+};
+
+#endif

modules/ModuleA/src/ClassA.cpp

@@ -0,0 +1,4 @@
+#include "ClassA.h"
+#include <iostream>
+
+void ClassA::hello() { std::cout << "Hello from A" << std::endl; }