feat(web): extract ui-services package

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

@@ -0,0 +1,7 @@
+import { SNComponent } from '@standardnotes/models'
+
+export interface DesktopManagerInterface {
+  syncComponentsInstallation(components: SNComponent[]): void
+  registerUpdateObserver(callback: (component: SNComponent) => void): () => void
+  getExtServerHost(): string
+}