doc/getting-started: Add an example of simple object serialization
doc/getting-started: Add an example of simple object serialization

Signed-off-by: Julien 'Lta' BALLET <1a73af9e7ae00182733b2292511b814be66f065f@lta.io>

yosiat/panko_serializer,yosiat/panko,yosiat/panko_serializer,yosiat/panko_serializer,yosiat/panko