fix tour image

MediaBrowser.WebDashboard/MediaBrowser.WebDashboard.csproj

@@ -90,6 +90,9 @@
     <Content Include="dashboard-ui\css\images\server.png">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
+    <Content Include="dashboard-ui\css\images\tour\dashboard\help.png">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
     <Content Include="dashboard-ui\forgotpasswordpin.html">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>