add api doc, test=doc

.readthedocs.yml

@@ -21,5 +21,6 @@ python:
   version: 3.7
   install:
     - requirements: docs/requirements.txt
-
-
+    - method: setuptools
+      path: .
+  system_packages: true

docs/requirements.txt

@@ -5,3 +5,46 @@ sphinx
 sphinx-autobuild
 sphinx-markdown-tables
 sphinx_rtd_theme
+paddlepaddle>=2.2.2
+editdistance
+g2p_en
+g2pM
+h5py
+inflect
+jieba
+jsonlines
+kaldiio
+librosa==0.8.1
+loguru
+matplotlib
+nara_wpe
+onnxruntime
+pandas
+paddlenlp
+paddlespeech_feat
+praatio==5.0.0
+pypinyin
+pypinyin-dict
+python-dateutil
+pyworld
+resampy==0.2.2
+sacrebleu
+scipy
+sentencepiece~=0.1.96
+soundfile~=0.10
+textgrid
+timer
+tqdm
+typeguard
+visualdl
+webrtcvad
+yacs~=0.1.8
+prettytable
+zhon
+colorlog
+pathos == 0.2.8
+fastapi
+websockets
+keyboard
+uvicorn
+pattern_singleton