support ngram and fst hotword for 2pass-offline (#1205)

Yabin Li

2023-12-26 b8825902d93d5017e44828316062dc8306b7ddcd

 egs/alimeeting/modular_sa_asr/README.md

@@ -99,5 +99,5 @@
|                |VBx DER(%)     | SOND DER(%)|cp-CER(%)  |
|:---------------|:------------:|:------------:|----------:|
|before finetune  |  16.87       |  1.51     |  10.18    |
|after finetune |     16.87    |   1.51   |          |
|after finetune |     16.87    |   1.51   |    **8.84**  |