Add github actions for building the documentation

Author: thgeorgiou

.github/workflows/docs.yml

@@ -0,0 +1,74 @@
+name: Build and Deploy Documentation
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+# Allow one concurrent deployment
+concurrency:
+  group: "pages"
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.11'
+
+    - name: Install poetry
+      uses: snok/install-poetry@v1
+      with:
+        version: latest
+        virtualenvs-create: true
+        virtualenvs-in-project: true
+
+    - name: Load cached venv
+      id: cached-poetry-dependencies
+      uses: actions/cache@v3
+      with:
+        path: .venv
+        key: venv-${{ runner.os }}-${{ hashFiles('**/poetry.lock') }}
+
+    - name: Install dependencies
+      if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
+      run: poetry install --with docs
+
+    - name: Build documentation
+      run: poetry run mkdocs build
+
+    - name: Setup Pages
+      if: github.ref == 'refs/heads/main'
+      uses: actions/configure-pages@v4
+
+    - name: Upload artifact
+      if: github.ref == 'refs/heads/main'
+      uses: actions/upload-pages-artifact@v3
+      with:
+        path: ./site
+
+  deploy:
+    if: github.ref == 'refs/heads/main'
+    needs: build
+    runs-on: ubuntu-latest
+
+    permissions:
+      pages: write
+      id-token: write
+
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+
+    steps:
+    - name: Deploy to GitHub Pages
+      id: deployment
+      uses: actions/deploy-pages@v4

docs-requirements.txt

@@ -34,5 +34,5 @@ nav:
     - Installation: installation.md
     - Usage: usage.md
     - Configuration: configuration.md
-    - Postprocessing: postprocessing.md
-  - API Reference: api-reference.md
+    - Postprocessing: postprocess.md
+    - WRF-Chem: wrf-chem.md