Update readthedocs config

.readthedocs.yaml

@@ -1,7 +1,13 @@
 version: 2
 
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.11"
+
+sphinx:
+  configuration: doc/conf.py
+
 python:
   install:
-    - path: .
-      extra_requirements:
-        - docs
+    - requirements: doc/requirements.txt

doc/requirements.txt

@@ -0,0 +1,20 @@
+alabaster==0.7.16
+autodoc-pydantic==2.0.1
+Babel==2.14.0
+docutils==0.20.1
+imagesize==1.4.1
+Jinja2==3.1.3
+pydantic==2.6.2
+pydantic-settings==2.2.1
+pydantic_core==2.16.3
+Pygments==2.17.2
+readme_renderer==43.0
+snowballstemmer==2.2.0
+Sphinx==7.2.6
+sphinx-autobuild==2024.2.4
+sphinxcontrib-applehelp==1.0.8
+sphinxcontrib-devhelp==1.0.6
+sphinxcontrib-htmlhelp==2.0.5
+sphinxcontrib-jsmath==1.0.1
+sphinxcontrib-qthelp==1.0.7
+sphinxcontrib-serializinghtml==1.1.10