continuous-integration/drone/push Build is passingDetails
- replace acc_create with account::create on server & client
- replace acc_auth with account::authorize on server & client
- to use the account module (non-common), just import
crate::server/client::account;
- remove redundant use namings
- delete no longer needed lookup_ipv4
- delete no longer needed path_exists
- move gen_tls_client_config from common to client
- move gen_tls_server_config from common to server