Add a more complex logger to Flipper UI Browser

Reviewed By: passy, lblasa

Differential Revision: D50223987

fbshipit-source-id: 108e1753b555c7d7b32d3fc2408c2f8efcbadb4d

desktop/flipper-ui-browser/src/global.tsx

@@ -16,6 +16,8 @@ declare global {
       entryPoint: string;
       debug: boolean;
     };
+    GRAPH_SECRET: string;
+    FLIPPER_APP_VERSION: string;
 
     flipperShowMessage?(message: string): void;
     flipperHideMessage?(): void;