Create build_sphinx.yml

.github/workflows/build_sphinx.yml

@@ -0,0 +1,27 @@
+name: Sphinx docs
+
+on:
+  push:
+    branches: [ "main" ]
+    paths:
+      - '.github/workflows/build_sphinx.yml'
+      - 'src/**'
+      - 'docs/**'
+      - 'files/**'
+
+jobs:
+  docs:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python 3.11
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.11.6
+
+      - name: Build docs requirements
+        run: pip install -r docs/requirements.txt
+
+      - name: Build docs
+        run: make doc