add documentation build and deploy

.github/workflows/docs.yml

@@ -0,0 +1,51 @@
+# This workflow build and deploys the docs
+# build docs on any pull request against develop, but only deploy docs on push to develop.
+
+name: actions
+
+on:
+  push:
+    branches: [ develop ]
+  pull_request:
+    branches: [ develop ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          persist-credentials: false
+    - name: Set up Python 3.x
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.x'
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r requirements.txt
+        pip install -r requirements-docs.txt
+        sudo apt update -y && sudo apt install -y latexmk texlive-latex-recommended texlive-latex-extra texlive-fonts-recommended dvipng
+      script:
+        - 
+    - name: Install pyDeltaRCM
+      run: |
+        python setup.py install
+    - name: Build and test documentation
+      run: |
+        (cd docs && make docs)
+    - name: Deploy to GitHub Pages
+      uses: JamesIves/github-pages-deploy-action@3.5.5
+      on:
+        push:
+          branches:
+            - develop
+      with:
+          ACCESS_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          BRANCH: gh-pages
+          FOLDER: docs/build/html
+          GIT_CONFIG_NAME: deltarcm-helper
+
+