message: memo: added nicer example
diff: @@ -457,9 +457,10 @@ namespace ns {
  };
  }
  +ns::person p = {"Ned Flanders", "744 Evergreen Terrace", 60};
  +
  // convert to JSON: copy each value into the JSON object
  json j;
  -ns::person p = createSomeone();
  j["name"] = p.name;
  j["address"] = p.address;
  j["age"] = p.age;
  @@ -477,12 +478,19 @@ ns::person p {
  It works, but that's quite a lot of boilerplate... Hopefully, there's a better way:
  ```cpp
  -// person -> json
  -ns::person p = createPerson();
  +// create a person
  +ns::person p {"Ned Flanders", "744 Evergreen Terrace", 60};
  +
  +// conversion: person -> json
  json j = p;
  -// json -> person
  -auto p2 = j.get<ns::person>();
  +std::cout << j << std::endl;
  +// {"address":"744 Evergreen Terrace","age":60,"name":"Ned Flanders"}
  +
  +// conversion: json -> person
  +ns::person p2 = j;
  +
  +// that's it
  assert(p == p2);
  ```
  