add aishell-1 rnnt egs

aky15

2023-03-21 8a100b731efba8c18f7e7b6cb1cb04ded94248b3

 .github/workflows/main.yml

@@ -5,7 +5,7 @@
      - main
  push:
    branches:
      - dev
      - dev_wjm

jobs:
  docs: