add requirements.txt for api-docs (#3671)

* add requirements.txt for api-docs

* change url of oneflow-whl

* add actions to update api docs

* fir curl cmd

* fix yml fmt
Co-authored-by: NShenghang Tsai <jackalcooper@gmail.com>

.github/workflows/release.yml

@@ -22,6 +22,9 @@ jobs:
         docker run --rm -v $PWD:/p -w /p busybox chmod -R o+w .
     - uses: actions/checkout@v2
     - name: Build OneFlow
+      env:
+        OSS_ACCESS_KEY_ID: ${{ secrets.OSS_ACCESS_KEY_ID }}
+        OSS_ACCESS_KEY_SECRET: ${{ secrets.OSS_ACCESS_KEY_SECRET }}
       run: |
         export ONEFLOW_CI_TMP_DIR=$HOME/ci-tmp-rel-102
         docker run --rm -v $ONEFLOW_CI_TMP_DIR/:$HOME/ci-tmp/ busybox rm -rf $HOME/ci-tmp/wheelhouse
@@ -42,6 +45,12 @@ jobs:
         python3 -m pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple
         python3 -m pip install oss2 beautifulsoup4 --user
         python3 tools/create_pip_index.py --dir_key staging/${dir} -b oneflow-static --index_key=staging/${git_branch}/pip.index.html
+    - name: Update API docs
+      if: github.ref == 'refs/heads/master'
+      env:
+        READTHEDOCS_TOKEN: ${{ secrets.READTHEDOCS_TOKEN }}
+      run: |
+        curl -X POST -d "branches=master" -d "token=${READTHEDOCS_TOKEN}"  https://readthedocs.org/api/v2/webhook/oneflow/135376/
   pack_src:
     name: Pack source code
     runs-on: ubuntu-latest

docs/requirements.txt

+Sphinx==2.2.0
+recommonmark==0.6.0
+sphinx_material==0.0.30
+sphinx_rtd_theme==0.5.0
+--find-links https://oneflow-static.oss-cn-beijing.aliyuncs.com/staging/master/pip.index.html
+oneflow_cu102
\ No newline at end of file