Add "Media" tab for rooms (#196)

* WIP on Media tab to rooms

* handle error for downloadFile if it's missing

* Add warning message for rooms Media tab

* Fix error message for download media of rooms

* update readme

src/i18n/zh.ts

@@ -60,6 +60,7 @@ const zh: SynapseTranslationMessages = {
         members: "成员",
         detail: "细节",
         permission: "权限",
+        media: "媒体",
       },
     },
     reports: { tabs: { basic: "基本", detail: "细节" } },
@@ -344,6 +345,18 @@ const zh: SynapseTranslationMessages = {
         media_length: "媒体文件长度",
       },
     },
+    room_media: {
+      name: "媒体",
+      fields: {
+        media_id: "媒体ID",
+      },
+      helper: {
+        info: "这是上传到房间的媒体列表。无法删除上传到外部媒体存储库的媒体。",
+      },
+      action: {
+        error: "%{errcode} (%{errstatus}) %{error}"
+      }
+    },
   },
 };
 export default zh;