feat: add services package

packages/services/src/Domain/Device/MobileDeviceInterface.ts

@@ -0,0 +1,9 @@
+import { DeviceInterface } from './DeviceInterface'
+import { Environment } from './Environments'
+import { RawKeychainValue } from '@standardnotes/models'
+
+export interface MobileDeviceInterface extends DeviceInterface {
+  environment: Environment.Mobile
+
+  getRawKeychainValue(): Promise<RawKeychainValue | undefined>
+}