Refine README layout for flows and troubleshooting

- Move the flows screenshot into the flows section
- Collapse troubleshooting into a details block

Author: lklynet

README.md

@@ -48,10 +48,6 @@ It is built for people who love discovering music and want that discovery loop t
   <img src="frontend/images/artist.webp" width="440" alt="Aurral artist details" />
 </p>
 
-<p align="center">
-  <img src="frontend/images/flows.webp" width="900" alt="Aurral flows and playlists" />
-</p>
-
 ## Recommended Stack
 
 Aurral only needs Lidarr to get started, but it shines with a fuller music stack:
@@ -171,6 +167,10 @@ Blocklist keeps unwanted artists and tags out of discovery. Use it when recommen
 
 Flows are dynamic playlists that refresh on a schedule. Imported playlists are static tracklists that keep retrying the same tracks.
 
+<p align="center">
+  <img src="frontend/images/flows.webp" width="900" alt="Aurral flows and playlists" />
+</p>
+
 Both download into Aurral's own folder:
 
 ```text
@@ -321,7 +321,8 @@ Main library safety:
 - Artist and album changes go through Lidarr.
 - Flows and imported playlists stay in Aurral's generated-download area.
 
-## Troubleshooting
+<details>
+<summary><strong>Troubleshooting</strong></summary>
 
 ### Lidarr will not connect
 
@@ -361,6 +362,8 @@ Main library safety:
 
 Set `AURRAL_VERBOSE_LOGS=true`, restart Aurral, then check container logs.
 
+</details>
+
 ## Special Thanks
 
 Special thanks to the BrainzMash team for the metadata work that helps make Aurral's artist and album discovery feel rich. Their open-source work is available at [statichum/brainzmash-hearring-aid](https://github.com/statichum/brainzmash-hearring-aid).