Add new gameplay samples

Not final, just releasing for more public testing.

osu.Game.Resources/osu.Game.Resources.csproj

@@ -680,6 +680,10 @@
     <EmbeddedResource Include="Samples\Gameplay\Taiko\soft-hitnormal.wav" />
     <EmbeddedResource Include="Samples\Gameplay\Taiko\soft-hitwhistle.wav" />
   </ItemGroup>
+  <ItemGroup>
+    <EmbeddedResource Include="Samples\Gameplay\spinnerbonus.wav" />
+    <EmbeddedResource Include="Samples\Gameplay\spinnerspin.wav" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it.
        Other similar extension points exist, see Microsoft.Common.targets.