Better directory structure naming

Src/Exec/main.cpp

@@ -0,0 +1,9 @@
+#include <iostream>
+#include <StringTools/StringTools.h>
+
+int main()
+{
+    std::cout << StringTools::Replace("Hello, ${where}!\n", "${where}", "World") << std::endl;
+
+    return 0;
+}