* truncate user information if it is too long

Some AP software allows for user names or summaries to be very long.
Misskey can not handle this and the profile page can not be opened and
no activities from such users can be seen.

Instead, the user name and summary are cut off after the maximum length
so misskey can still process the activities of the profile.

Co-authored-by: Toast <toast@toast.cafe>

* fix code style

Co-authored-by: Toast <toast@toast.cafe>
Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>

* New translations disable-timelines.md (Chinese Simplified)

* New translations api.md (Chinese Simplified)

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* New translations ja-JP.yml (Chinese Simplified)

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* New translations note.md (English)

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* New translations troubleshooting.md (Russian)

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See: https://forum.vuejs.org/t/how-to-avoid-non-function-value-encountered-for-default-slot-warning/107039