Detail steps during create twenty app (#20374)

## Before
<img width="391" height="188" alt="image"
src="https://github.com/user-attachments/assets/78a0139f-d992-49cb-98ff-531bdbadc64b"
/>

## After
<img width="419" height="773" alt="image"
src="https://github.com/user-attachments/assets/da9b36a4-74e0-4445-b8c5-7a2329eb4f46"
/>

packages/twenty-sdk/src/cli/operations/server-start.ts

@@ -210,7 +210,7 @@ const innerServerStart = async (
     onProgress?.('Starting existing container...');
     execSync(`docker start ${containerName}`, { stdio: 'ignore' });
   } else {
-    onProgress?.('Starting Twenty container...');
+    onProgress?.('Pulling Docker image and starting Twenty container...');
 
     const runResult = spawnSync(
       'docker',