update config file for readthedocs

.readthedocs.yml

@@ -0,0 +1,29 @@
+# .readthedocs.yml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 0.2
+
+# Build documentation in the docs/ directory with Sphinx
+sphinx:
+  configuration: docs/source/conf.py
+
+# Build documentation with MkDocs
+#mkdocs:
+#  configuration: mkdocs.yml
+
+# Optionally build your docs in additional formats such as PDF
+formats: []
+
+# Optionally set the version of Python and requirements required to build your docs
+python:
+  version: 3.7
+  install:
+    - method: pip
+      path: .
+      extra_requirements:
+        - doc
+
+    - requirements: docs/requirements.txt
+

docs/requirements.txt

@@ -0,0 +1 @@
+paddlepaddle==2.0.0.rc1

requirements.txt

@@ -1,3 +0,0 @@
-numpydoc
-sphinx-rtd-theme
-