* 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