Update README.md

changed the HG repo it was pulling a non existent model repo

README.md

@@ -28,8 +28,8 @@ from mlx_audio.sts import SAMAudio, SAMAudioProcessor, save_audio
 import mlx.core as mx
 
 # Load model and processor
-processor = SAMAudioProcessor.from_pretrained("facebook/sam-audio-small-fp16")
-model = SAMAudio.from_pretrained("facebook/sam-audio-small-fp16")
+processor = SAMAudioProcessor.from_pretrained("mlx-community/sam-audio-small-fp16")
+model = SAMAudio.from_pretrained("mlx-community/sam-audio-small-fp16")
 
 # Process inputs
 batch = processor(