fst: support eng hotword

雾聪

2023-12-12 3c83d64c84602de055f503af7d4e2761c829ec2e

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from fun_text_processing.text_normalization.en.graph_utils import GraphFst
 
 
class FractionFst(GraphFst):
    """
    Finite state transducer for verbalizing fraction, 
    """
 
    def __init__(self):
        super().__init__(name="fraction", kind="verbalize")