Update README.md

Author: cwx-worst-one

README.md

@@ -117,8 +117,10 @@ We provide reference implementations of various LLM-based speech, audio, and mus
     - [Automated Audio Captioning (AAC)](examples/aac_audiocaps/README.md)
       - [SLAM-AAC](examples/slam_aac/README.md)
       - [DRCap](examples/drcap_zeroshot_aac/README.md)
+  
     - Spatial Audio Understanding
       - [BAT](examples/seld_spatialsoundqa/README.md)
+    
 - **Music Task**
     - [Music Caption (MC)](examples/mc_musiccaps/README.md)