添加强制上下线和视频流

selfdrive/ui/translations/main_zh-CHS.ts

@@ -1044,6 +1044,14 @@
         <source>Power Off</source>
         <translation>关机</translation>
     </message>
+    <message>
+        <source>Force to Offroad mode</source>
+        <translation>强制下线</translation>
+    </message>
+    <message>
+        <source>Cancel ForceOffroad</source>
+        <translation>取消强制下线</translation>
+    </message>
     <message>
         <source>openpilot requires the device to be mounted within 4° left or right and within 5° up or 9° down. openpilot is continuously calibrating, resetting is rarely required.</source>
         <translation>openpilot要求设备安装的偏航角在左4°和右4°之间，俯仰角在上5°和下9°之间。一般来说，openpilot会持续更新校准，很少需要重置。</translation>