[docs] Suggestion / Change Request

[pauljeonn]

File: docs/30_getting-started-guide/25_hello-world.md
Hi, there is a typo in the documentation at https://developers.eos.io/welcome/latest/getting-started-guide/hello-world/#procedure-to-add-authorization.
For the first step, please change print( "Hello, ", name{user} ); to print( "Hello, ", eosio::name{user} );.
Thank you!