Add automatic size for comment box

[csgka1]

Summary

Add a feature to solve issue #981 (#1493 ).

This PR add a option for comment. With that option the comment can be set Automatic Size property.
usage:

sheet.getCell('C3').comment = {
    texts: ['This\nIs\nA\nComment\nThat\nNeed\nA\nLarge\nBox'],
    autoShape: true,  // with this option the size of comment box will be adjusted automatically
 };

The corresponding setting in excel is in the screenshot below:

Test plan

npm i && npm run test:all

All test cases has passed.

Questions

Should I update README.MD at the same time?

[sathish-karunakaran]

Good

[zurmokeeper]

@csgka1 Could you please move over here? I'd be happy to merge this feature.

[timo-kauranen]

could this be merged, pretty please 👍