chore: [sdk-1556] addressing some PR comments

Author: joker23

packages/sdk/shopify-oxygen/example/app.js

@@ -42,7 +42,7 @@ const main = async () => {
 
   miniOxygen.ready.then(() => {
     console.log('Oxygen worker is started...');
-    console.log('Dispatching fetch every 5 seconds. Press "q" or Ctrl+C to quit...');
+    console.log('Press "q" or Ctrl+C to quit...');
 
     // Dispatch fetch every 5 seconds
     const interval = setInterval(() => {

packages/sdk/shopify-oxygen/example/src/index.ts

@@ -22,6 +22,10 @@ export default {
     await ldClient.waitForInitialization({ timeout: 10 });
     const flagValue = await ldClient.variation(flagKey, context, false);
 
+    // Flush events and close the client
+    ldClient.flush();
+    ldClient.close();
+
     return new Response(JSON.stringify({ flagKey, flagValue }), { status: 200 });
   },
 };