First working version of hello-ci

Makefile

+all: main.o
+
+%.o: %.cpp
+	$(CXX) -o $@ $<
+
+clean:
+	-$(RM) *.o

main.cpp

+#include <iostream>
+#include <string>
+
+using namespace std;
+
+class Person
+{
+public:
+    string hello()
+    {
+        return "Hi, how are you?";
+    }
+};
+
+int main (int argc, char *argv[])
+{
+    Person drone;
+    cout << "Greeting drone..." << endl;
+    cout << "drone: " << drone.hello() << endl;
+}