add demo.py for all kws models (#2107)

sugarcase

2024-09-25 8cd8e25f180b57c74f1ae7fd39001e5af4c20f8b

 funasr/models/seaco_paraformer/export_meta.py

@@ -53,7 +53,7 @@
                0: "num_hotwords",
            },
            "hw_embed": {
                0: "num_hotwords",
                1: "num_hotwords",
            },
        }