update .readthedocs.yaml (#352)

Co-authored-by: Andrew Lamkin <[email protected]>

Author: eirikurj

.readthedocs.yaml

@@ -0,0 +1,17 @@
+# .readthedocs.yaml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+version: 2
+
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.11"
+
+sphinx:
+  configuration: doc/conf.py
+
+python:
+  install:
+  - requirements: doc/requirements.txt