add example for "default constructor, copy constructor, destructor, if you need one you'll need all"

add smart pointer
add pointer pointer

CPlusPlus/Classes/Classes.vcxproj

@@ -187,6 +187,7 @@
     <ClCompile Include="main.cpp" />
     <ClCompile Include="Monster.cpp" />
     <ClCompile Include="Ork.cpp" />
+    <ClCompile Include="Weapon.cpp" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="Entity.h" />
@@ -194,6 +195,7 @@
     <ClInclude Include="Monster.h" />
     <ClInclude Include="Ork.h" />
     <ClInclude Include="Vector3.h" />
+    <ClInclude Include="Weapon.h" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">