* i18n: (zh-CN) fix punctuations and spaces
Spaces are fixed according to https://github.com/sparanoid/chinese-copywriting-guidelines

* i18n: (zh-CN) fix punctuation

* i18n: (zh-CN) Adapt official translation of Discourse Privacy Policy from GitHub, with minor fixes
https://github.com/discourse/discourse/blob/master/config/locales/server.zh_CN.yml#L2677

* i18n: (zh-CN) Update missing translations

* i18n: (zh-CN) Fixing errors

* i18n: (zh-CN) Fix indent error

* i18n: (zh-CN) Fix language tag

* i18n: (zh-CN) Remove quotes

* i18n: (zh-CN) Update translation (#5485)

* i18n: (zh-CN) Remove whitespaces, x -> ×

* i18n: (zh-CN) Rewording on time distance

* i18n: (zh-CN) Overall improvements

* i18n: (zh-CN) i18n-tasks normalization

* i18n: (zh-CN) Add missing translation

* Enhance for the Chinese translation

* Add filtered_languages for Chinese Translation include CN/HK/TW for PR #3175

* Update zh-CN translations.

* Update doorkeeper.zh-CN.yml

* Follow @Artoria2e5 's change advices.

* forget mail for text format ......

* fix some changes

* mail's html version ......

* https://github.com/tootsuite/mastodon/pull/2699#pullrequestreview-35982283

* a space.....

* delete some unused keys