[PM-1379] add DeviceTrustCryptoService with establish trust logic (#2535)

* [PM-1379] add DeviceCryptoService with establish trust logic

* PM-1379 update api location and other minor refactors

* pm-1379 fix encoding

* update trusted device keys api call to Put

* [PM-1379] rename DeviceCryptoService to DeviceTrustCryptoService
- refactors to prevent side effects

* [PM-1379] rearrange methods in DeviceTrustCryptoService

* [PM-1379] rearrange methods in abstraction

* [PM-1379] deconstruct tuples

* [PM-1379] remove extra tasks

src/Core/Models/Request/TrustedDeviceKeysRequest.cs

@@ -0,0 +1,10 @@
+
+namespace Bit.Core.Models.Request
+{
+    public class TrustedDeviceKeysRequest
+    {
+        public string EncryptedUserKey { get; set; }
+        public string EncryptedPublicKey { get; set; }
+        public string EncryptedPrivateKey { get; set; }
+    }
+}