Add Read the Docs configuration file for Sphinx documentation

Author: PierreRaybaut

.readthedocs.yaml

@@ -0,0 +1,33 @@
+# Read the Docs configuration file for Sphinx projects
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+version: 2
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.11"
+  apt_packages:
+    - xvfb
+    - libxkbcommon-x11-0
+    - libxcb-icccm4
+    - libxcb-image0
+    - libxcb-keysyms1
+    - libxcb-randr0
+    - libxcb-render-util0
+    - libxcb-xinerama0
+    - libxcb-xfixes0
+  jobs:
+    pre_build:
+      # Start Xvfb before building docs
+      - "Xvfb :99 -screen 0 1024x768x24 > /dev/null 2>&1 &"
+      - "export DISPLAY=:99"
+sphinx:
+   configuration: doc/conf.py
+formats:
+   - pdf
+python:
+  install:
+    - method: pip
+      path: .
+      extra_requirements:
+        - doc