Add Japanese translations (#5427)

* yarn manage:translations

* Add Japanese translation for #5410

* Add Japanese translation for #5393

app/javascript/mastodon/locales/zh-CN.json

@@ -82,7 +82,6 @@
   "empty_column.community": "本站时间轴暂时未有内容，快嘟几个来抢头香啊！",
   "empty_column.hashtag": "这个标签暂时未有内容。",
   "empty_column.home": "你还没有关注任何用户。快看看{public}，向其他用户搭讪吧。",
-  "empty_column.home.inactivity": "你的主页暂时没有内容。也许你太久没有来了？如果是这样，文章会慢慢出来，请稍后再看。",
   "empty_column.home.public_timeline": "公共时间轴",
   "empty_column.notifications": "你没有任何通知纪录，快向其他用户搭讪吧。",
   "empty_column.public": "跨站公共时间轴暂时没有内容！快写一些公共的嘟文，或者关注另一些服务器实例的用户吧！你和本站、友站的交流，将决定这里出现的内容。",
@@ -160,6 +159,11 @@
   "privacy.public.short": "公共",
   "privacy.unlisted.long": "公开，但不在公共时间轴显示",
   "privacy.unlisted.short": "公开",
+  "relative_time.days": "{number}d",
+  "relative_time.hours": "{number}h",
+  "relative_time.just_now": "now",
+  "relative_time.minutes": "{number}m",
+  "relative_time.seconds": "{number}s",
   "reply_indicator.cancel": "取消",
   "report.placeholder": "额外消息",
   "report.submit": "提交",
@@ -179,6 +183,7 @@
   "status.load_more": "加载更多",
   "status.media_hidden": "隐藏媒体内容",
   "status.mention": "提及 @{name}",
+  "status.more": "More",
   "status.mute_conversation": "静音对话",
   "status.open": "展开嘟文",
   "status.pin": "置顶到资料",