Optimize author list of nervos.org

[Keith-CY]

This issue comes from NervosEducationHub/EducationHubArticles#29 (comment)

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Now the author list displays multiple authors with stacked avatars and the first author's name.

page: https://www.nervos.org/knowledge-base/understanding_nervos_ckb_issuance_model

page: https://www.nervos.org/knowledge-base

It's not fair for other authors, so it's expected to show all of them by interaction mentioned at
NervosEducationHub/EducationHubArticles#29 (comment)

or

Either is good for the improvement, and can be redesigned by @Kirl70

[Kirl70]

Design Draft:
https://www.figma.com/file/6XNoimRDbFTTNm016rbIdU/Magickbase?type=design&node-id=22063%3A22333&mode=design&t=TCwalGkUfcvc8qNC-1

When there is enough space, display the avatars of up to 5 authors, and use the 6th icon to show the total number of authors:

When space is limited, only display the avatar of the first author and the total number of authors: