updates for 2fa auth services

src/enums/index.ts

@@ -3,3 +3,4 @@ export { DeviceType } from './deviceType';
 export { EncryptionType } from './encryptionType';
 export { FieldType } from './fieldType';
 export { SecureNoteType } from './secureNoteType';
+export { TwoFactorProviderType } from './twoFactorProviderType';

src/enums/twoFactorProviderType.ts

@@ -0,0 +1,8 @@
+export enum TwoFactorProviderType {
+    Authenticator = 0,
+    Email = 1,
+    Duo = 2,
+    Yubikey = 3,
+    U2f = 4,
+    Remember = 5,
+}