Disable to log "I'm ready!"

[hata6502]

The message when Editor.js is ready:

I'm ready! (ﾉ◕ヮ◕)ﾉ*:･ﾟ✧

may be not needed for some production uses.
Also this message may prevent to use test tools.
When using jest to application contains Editor.js, "I'm ready!" messages are logged many times.

      %cEditor.js 2.15.1%c I'm ready! (ﾉ◕ヮ◕)ﾉ*:･ﾟ✧ line-height: 1em;
                  color: #006FEA;
                  display: inline-block;
                  font-size: 11px;
                  line-height: 1em;
                  background-color: #fff;
                  padding: 4px 9px;
                  border-radius: 30px;
                  border: 1px solid rgba(56, 138, 229, 0.16);
                  margin: 4px 5px 4px 0; color: #E24A75
      %cEditor.js 2.15.1%c I'm ready! (ﾉ◕ヮ◕)ﾉ*:･ﾟ✧ line-height: 1em;
                  color: #006FEA;
                  display: inline-block;
                  font-size: 11px;
                  line-height: 1em;
                  background-color: #fff;
                  padding: 4px 9px;
                  border-radius: 30px;
                  border: 1px solid rgba(56, 138, 229, 0.16);
                  margin: 4px 5px 4px 0; color: #E24A75
……

https://github.com/codex-team/editor.js/blob/master/src/components/core.ts#L78

[hata6502]

Thank you!!
It became easier to test!

[neSpecc]

Resolved in 2.16

[zbcms]

config
const LogLevels = {
VERBOSE: 'VERBOSE',
INFO: 'INFO',
WARN: 'WARN',
ERROR: 'ERROR',
}
set to config
logLevel={LogLevels.ERROR}