Change of photos

doc/images/Flujo completo-INVOKER PATH.jpg

doc/images/Flujo completo-OPENCAPIF ACTUAL.jpg

doc/images/Flujo completo-PROVIDER PATH.jpg

doc/images/Flujo completo-SDK ACTUAL CON REGISTER.jpg

doc/images/Invoker_discover.png

doc/images/Invoker_onboarding.png

doc/images/invoker_get_token.png

doc/images/invoker_update-offboard.png

doc/images/provider_onboarding.png

doc/images/provider_publish.png

doc/images/provider_update-offboard.png