chinese i18n fix (#17190)

* fix: fix dialog some key capitalization

* chore: remove audio duplicate key. (i18next can't use it! maybe need change key name? )

* feat: add chinese missing keys.
fix: fix some keys error

* feat: add chinese readme file

* feat: add system feature pages embeddings i18n keys

* fix: fix audio file keys wrong

web/public/locales/zh-CN/common.json

@@ -20,8 +20,8 @@
     "1hour": "1 小时",
     "12hours": "12 小时",
     "24hours": "24 小时",
-    "pm": "上午",
-    "am": "下午",
+    "pm": "下午",
+    "am": "上午",
     "yr": "{{time}}年",
     "year": "{{time}}年",
     "mo": "{{time}}月",
@@ -88,7 +88,7 @@
     "back": "返回",
     "history": "历史",
     "fullscreen": "全屏",
-    "exitFullscreen": "全屏",
+    "exitFullscreen": "退出全屏",
     "pictureInPicture": "画中画",
     "on": "开",
     "off": "关",
@@ -157,7 +157,7 @@
     "review": "回放",
     "explore": "探测",
     "export": "导出",
-    "uiPlayground": "UI Playground",
+    "uiPlayground": "UI 演示",
     "faceLibrary": "人脸管理",
     "user": {
       "account": "账号",