Make Client initialize server add-ons

Reviewed By: mweststrate

Differential Revision: D34044353

fbshipit-source-id: 99bcb1559787b2a904bdd796233666a7a4783ea4

desktop/flipper-common/src/ServerAddOn.tsx

@@ -0,0 +1,15 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+import {FlipperServerCommands} from './server-types';
+
+export interface ServerAddOnControls {
+  start: FlipperServerCommands['plugins-server-add-on-start'];
+  stop: FlipperServerCommands['plugins-server-add-on-stop'];
+}

desktop/flipper-common/src/index.tsx

@@ -17,6 +17,7 @@ export {
   NoopLogger,
 } from './utils/Logger';
 export * from './server-types';
+export * from './ServerAddOn';
 export {sleep} from './utils/sleep';
 export {timeout} from './utils/timeout';
 export {isTest} from './utils/isTest';