[DOC] add readthedocs + req.

Author: SimonBlanke

.readthedocs.yml

@@ -0,0 +1,19 @@
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+version: 2
+
+python:
+  install:
+    - method: pip
+      path: .
+      extra_requirements:
+        - docs
+
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.12"
+
+sphinx:
+  configuration: docs/source/conf.py

pyproject.toml

@@ -71,6 +71,15 @@ test_parallel_backends = [
   "joblib",
   'ray >=2.40.0; python_version < "3.13"',
 ]
+docs = [
+  "myst-parser",
+  "numpydoc",
+  "pydata-sphinx-theme",
+  "Sphinx>=7.0.0,<9.0.0",
+  "sphinx-copybutton",
+  "sphinx-design",
+  "sphinx-issues",
+]
 all_extras = [
   "hyperactive[integrations]",
   "optuna<5",