feat: add api package

packages/api/src/Domain/Client/User/UserApiServiceInterface.ts

@@ -0,0 +1,11 @@
+import { RootKeyParamsInterface } from '@standardnotes/models'
+import { UserRegistrationResponse } from '../../Response/User/UserRegistrationResponse'
+
+export interface UserApiServiceInterface {
+  register(
+    email: string,
+    serverPassword: string,
+    keyParams: RootKeyParamsInterface,
+    ephemeral: boolean,
+  ): Promise<UserRegistrationResponse>
+}