updated read the docs file

.readthedocs.yml

@@ -4,14 +4,19 @@ build:
   os: ubuntu-22.04
   tools:
     python: "3.11"
-
-python:
-  install:
-      - method: pip
-        path: .
-        extra_requirements:
-          - docs
+  jobs:
+    post_create_environment:
+      # Install poetry
+      # https://python-poetry.org/docs/#installing-manually
+      - pip install poetry
+      # Tell poetry to not use a virtual environment
+      - poetry config virtualenvs.create false
+    post_install:
+      # Install dependencies with 'docs' dependency group
+      # https://python-poetry.org/docs/managing-dependencies/#dependency-groups
+      - poetry install --with docs
 
 sphinx:
+  configuration: docs/conf.py
   builder: html
   fail_on_warning: true