[Config] Update the Get Started tutorial for C++ connector

[andreyaksenov]

Related doc issue: #3987

Product: Tarantool
Since: 3.0
Root document: https://www.tarantool.io/en/doc/latest/how-to/getting_started_cxx/
SME: @

Details

Use the same steps and sample database as for the Connecting to a database using net.box tutorial.
See also: #3671