Add Read the Dics config

.readthedocs.yaml

@@ -0,0 +1,21 @@
+# 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: "3.12"
+  jobs:
+    post_checkout:
+      - git fetch --unshallow
+    post_install:
+      - python setup.py build
+
+sphinx:
+  configuration: doc/src/conf.py
+
+python:
+  install:
+    - requirements: .rtd-require

.rtd-require

@@ -0,0 +1,4 @@
+git-props
+pytest >=3.7.0
+setuptools
+sphinx_rtd_theme

doc/src/conf.py

@@ -6,6 +6,14 @@
 # full list see the documentation:
 # http://www.sphinx-doc.org/en/master/config
 
+from pathlib import Path
+import sys
+
+maindir = Path(__file__).resolve().parent.parent.parent
+buildlib = maindir / "build" / "lib"
+sys.path[0] = str(buildlib)
+sys.dont_write_bytecode = True
+
 import pytest_dependency
 
 # -- Project information -----------------------------------------------------