feat: add desktop repo (#1071)

packages/desktop/app/javascripts/Main/Keychain/KeychainInterface.ts

@@ -0,0 +1,9 @@
+import { BrowserWindow } from 'electron'
+import { Store } from '../Store'
+
+export interface KeychainInterface {
+  ensureKeychainAccess(store: Store): Promise<BrowserWindow | undefined>
+  getKeychainValue(): Promise<unknown>
+  setKeychainValue(value: unknown): Promise<void>
+  clearKeychainValue(): Promise<boolean>
+}