Add RTD config

Author: aclark4life

.readthedocs.yaml

@@ -1,22 +1,25 @@
+# .readthedocs.yaml
 # 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
+# Build documentation in the doc/ directory with Sphinx
 sphinx:
+   builder: dirhtml
    configuration: docs/source/conf.py
+   fail_on_warning: true
 
-# Optionally, but recommended,
-# declare the Python requirements required to build your documentation
-# See https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html
+# Set the version of Python and requirements required to build the docs.
 python:
    install:
-   - requirements: docs/requirements.txt
+      - method: pip
+        path: .
+        extra_requirements:
+          - docs
+
+build:
+  os: ubuntu-lts-latest
+  tools:
+    python: "3.13"