Add initial doc workflow

.github/workflows/build-docs.yaml

@@ -0,0 +1,47 @@
+name: Docs
+
+on:
+  push:
+    branches:
+      - master
+      - main
+      - "[0-9][0-9].[0-9]+.x"
+
+  pull_request:
+    branches:
+      - master
+      - main
+      - "[0-9][0-9].[0-9]+.x"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Python 3.10
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.10"
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install ".[doc]"
+
+      - name: Clone GH-Pages
+        if: github.event_name != "pull_request"
+        runs: |
+          git clone https://github.com/openml-labs/gama.git --single-branch --branch gh-pages docs/build/${{ github.ref }}
+
+      - name: Build Docs
+        run: |
+          sphinx-build docs/source docs/build/${{ }}
+
+      - name: Push GH-Pages
+        if: github.event_name != "pull_request"
+        runs: |
+          cd docs/build
+          git config user.name github-actions
+          git config user.email github-actions@github.com
+          git add ${{ github.ref }}
+          git commit -m "Autodeploy docs"
+          git push

docs/source/conf.py

@@ -90,7 +90,7 @@
 #
 # This is also used if you do content translation via gettext catalogs.
 # Usually you set "language" from the command line for these cases.
-language = None
+language = "en"
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.