Log endpoint consumption

Summary: ^

Reviewed By: antonk52

Differential Revision: D49830704

fbshipit-source-id: ebec670f85d69abfdc3ff291ba587925f92fcdcf

desktop/flipper-server-core/src/server/startServer.tsx

@@ -140,10 +140,14 @@ async function startHTTPServer(
   });
 
   app.get('/info', (_req, res) => {
+    console.info('[flipper-server] Received info request');
     res.json(environmentInfo);
   });
 
   app.get('/shutdown', (_req, res) => {
+    console.info(
+      '[flipper-server] Received shutdown request, process will terminate',
+    );
     res.json({success: true});
 
     // Just exit the process, this will trigger the shutdown hooks.