Update Chinese (Simplified Han script) translation

Co-authored-by: Hosted Weblate <hosted@weblate.org>
Co-authored-by: 大王叫我来巡山 <hamburger2048@users.noreply.hosted.weblate.org>

Author: weblate

locales/zh-CN.json

@@ -487,5 +487,6 @@
     "timeline_parse_error_placeholder_heading": "无法解析项目",
     "timeline_parse_error_placeholder_message": "Invidious 在尝试解析此项目时遇到一个错误。更多信息请见下方：",
     "preferences_default_playlist": "默认播放列表： ",
-    "preferences_default_playlist_none": "尚无默认播放列表"
+    "preferences_default_playlist_none": "尚无默认播放列表",
+    "Livestreams": "直播"
 }