feat: functional makefile and tmp test program

src/main.cpp

@@ -1,7 +1,14 @@
 #include "iostream"
+#include <cstring>
+#include <cwchar>
+#include <string>
 
-int main() 
-{
-    std::cout << "imagine a world...\n";
-    return 0;
+int main() {
+  std::string msg = "hello world";
+  for (int i = 0; i < msg.length(); i++) {
+    std::cout << msg[i];
+    if (i != msg.length() - 1 && msg[i+1] != ' ' && msg[i] != ' ')
+      std::cout << '-';
+  }
+  return 0;
 }