docs: Rewrite name-validation.md in English
mention: fix mention bug caused by triggering alt key when enter key pressed
Merge branch 'fix/mention' of dlab/hive

from pull request 950
Print: Fix css for print screan
Merge branch 'issue/print-css' of insanehong/hive

from pull request 951
Yobi v0.5.3
Merge branch 'docs/name-validation-in-english'

* docs: Rewrite name-validation.md in English

Reviewed-by: Kate Lee <hyunkyoung@gmail.com>