Merge pull request #142 from dstansby/doc-ci

Add a doc build CI run

.github/workflows/build_docs.yml

@@ -0,0 +1,23 @@
+name: Build docs
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.9
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install .[docs]
+    - name: Build docs
+      run: |
+        cd doc
+        make html

setup.cfg

@@ -50,7 +50,8 @@ docs =
   astropy
   numpydoc
   sphinx
-  sphinx_automodapi
+  sphinx_rtd_theme
+  xarray
 
 [tool:pytest]
 minversion = 3.9