Merge pull request #13 from rushio-consulting/spec-authentication-ser…

…vice

authentication service spec

protos/services/authentication_service.proto

@@ -10,5 +10,17 @@ message SigninRequest {
 }
 
 service AuthenticationService {
+  /// In the metadata the client will find the Authorization key with the token
+  /// in the value
   rpc signin(SigninRequest) returns (google.protobuf.Empty);
+
+  /// The client must send in the metadata the Authorization key with the token
+  /// in the value
+  rpc signout(google.protobuf.Empty) returns (google.protobuf.Empty);
+
+  /// If the user is logged return Empty else throw GrpcError.
+  ///
+  /// The client must send in the metadata the Authorization key with the token
+  /// in the value
+  rpc isLogged(google.protobuf.Empty) returns (google.protobuf.Empty);
 }