Add bgm separation parameters

configs/default_parameters.yaml

@@ -44,6 +44,12 @@ diarization:
   is_diarize: false
   hf_token: ""
 
+bgm-separation:
+    is_separate_bgm: false
+    model_size: "UVR-MDX-NET-Inst_HQ_1"
+    segment_size: 256
+    save_file: true
+
 translation:
   deepl:
     api_key: ""