fix(docs): add requirements.txt on readthedocs

.readthedocs.yaml

@@ -1,22 +1,13 @@
-# Read the Docs configuration file
-# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
-
-# Required
 version: 2
 
-# Set the OS, Python version, and other tools you might need
 build:
   os: ubuntu-24.04
   tools:
     python: "3.13"
 
-# Build documentation in the "docs/" directory with Sphinx
 sphinx:
   configuration: docs/conf.py
 
-    # Optionally, but recommended,
+python:
-    # declare the Python requirements required to build your documentation
+  install:
-    # See https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html
+  - requirements: docs/requirements.txt
-    # python:
-    #    install:
-    #    - requirements: docs/requirements.txt