chore: add readthedocs

Author: phi-friday

.readthedocs.yaml

@@ -0,0 +1,12 @@
+version: 2
+
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.12"
+  commands:
+    - asdf plugin add uv
+    - asdf install uv latest
+    - asdf global uv latest
+    - uv sync --group docs
+    - uv run -m sphinx -T -b html -d docs/_build/doctrees -D language=en src/docs $READTHEDOCS_OUTPUT/html