Expose intern graphQL reuqests to plugins

Summary: Some intern plugins use it, an dit is currently missing in FlipperLib

Reviewed By: timur-valiev

Differential Revision: D36313032

fbshipit-source-id: 5ea8e250f1d0bc8831727abd883d953286a022d4

desktop/flipper-plugin/src/plugin/FlipperLib.tsx

@@ -25,6 +25,7 @@ import {
   fsConstants,
   EnvironmentInfo,
   FSStatsLike,
+  FlipperServerCommands,
 } from 'flipper-common';
 import {CreatePasteArgs, CreatePasteResult} from './Paste';
 
@@ -179,6 +180,12 @@ export interface FlipperLib {
     os: EnvironmentInfo['os'];
   };
   remoteServerContext: RemoteServerContext;
+  intern: InternAPI;
+}
+
+interface InternAPI {
+  graphGet: FlipperServerCommands['intern-graph-get'];
+  graphPost: FlipperServerCommands['intern-graph-post'];
 }
 
 export let flipperLibInstance: FlipperLib | undefined;