(docs) fix: no readthedocs yaml config file

looks like they finally made yaml the main one

.readthedocs.yaml

@@ -0,0 +1,31 @@
+# Read the Docs configuration file for Sphinx projects
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+# Declare the Python requirements required to build your documentation
+# See https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html
+python:
+  install:
+    - requirements: docs/requirements.txt
+
+# Build documentation in the "docs/" directory with Sphinx
+sphinx:
+  builder: html
+  configuration: docs/conf.py
+  # Fail on all warnings to avoid broken references
+  fail_on_warning: true
+
+formats: html
+
+# Set the OS, Python version and other tools you might need
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.12"
+    # You can also specify other tool versions:
+    # nodejs: "20"
+    # rust: "1.70"
+    # golang: "1.20"
+