Feature: Refine startup output message

[wubx]

Summary

MySQL
    listened at 0.0.0.0:3307
    connect via: mysql -u${USER} -p${PASSWORD} -h0.0.0.0 -P3307
Clickhouse(http)
    listened at 0.0.0.0:8124
    usage:  echo 'create table test(foo string)' | curl -u${USER} -p${PASSWORD}: '0.0.0.0:8124' --data-binary  @-
echo '{"foo": "bar"}' | curl -u${USER} -p${PASSWORD}: '0.0.0.0:8124/?query=INSERT%20INTO%20test%20FORMAT%20JSONEachRow' --data-binary @-
Databend HTTP
    listened at 0.0.0.0:8000
    usage:  curl -u${USER} -p${PASSWORD}: --request POST '0.0.0.0:8000/v1/query/' --header 'Content-Type: application/json' --data-raw '{"sql": "SELECT avg(number) FROM numbers(100000000)"}'

1. remove clickhouse section
2. replace Databend HTTP to Databend
3. use bendsql replace usage: curl -u${USER} -p${PASSWORD}: --request POST '0.0.0.0:8000/v1/query/' --header 'Content-Type: application/json' --data-raw '{"sql": "SELECT avg(number) FROM numbers(100000000)"}'