doc(readme): add installation section
doc(readme): add installation section

mnubo/smartobjects-js-client,blemoine/smartobjects-js-client,blemoine/smartobjects-js-client,mnubo/smartobjects-js-client,mnubo/smartobjects-js-client,mnubo/smartobjects-js-client,mnubo/mnubo-js-sdk,mnubo/mnubo-js-sdk