added push events and moved cipher writing to cipher service.

src/Core/Services/ICipherService.cs

@@ -6,6 +6,8 @@ namespace Bit.Core.Services
 {
     public interface ICipherService
     {
+        Task SaveAsync(Cipher cipher);
+        Task DeleteAsync(Cipher cipher);
         Task ImportCiphersAsync(List<Cipher> folders, List<Cipher> ciphers, IEnumerable<KeyValuePair<int, int>> folderRelationships);
     }
 }