Update readthedocs config

Author: Vlad0n20

readthedocs.yml

@@ -1,3 +1,18 @@
-requirements_file: doc-requirements.txt
-python:
-   setup_py_install: true
+version: 2
+
+build:
+  os: ubuntu-24.04
+  tools:
+    python: "3.13"
+  jobs:
+    post_create_environment:
+      - pip install poetry
+    post_install:
+      - VIRTUAL_ENV=$READTHEDOCS_VIRTUALENV_PATH poetry install --with docs
+
+sphinx:
+  configuration: docs/conf.py
+
+formats:
+  - pdf
+  - epub