Add a .readthedocs.yml file

Author: Gallaecio

.readthedocs.yml

@@ -0,0 +1,17 @@
+version: 2
+formats: all
+sphinx:
+  configuration: docs/conf.py
+  fail_on_warning: true
+
+build:
+  os: ubuntu-20.04
+  tools:
+    # For available versions, see:
+    # https://docs.readthedocs.io/en/stable/config-file/v2.html#build-tools-python
+    python: "3.12"  # Keep in sync with .github/workflows/main.yml
+
+python:
+  install:
+    - requirements: docs/requirements.txt
+    - path: .

docs/requirements.txt

@@ -0,0 +1,2 @@
+Sphinx
+sphinx_rtd_theme

tox.ini

@@ -38,8 +38,7 @@ commands =
 [docs]
 changedir = docs
 deps =
-    Sphinx
-    sphinx_rtd_theme
+    -rdocs/requirements.txt
 
 [testenv:docs]
 changedir = {[docs]changedir}