Add config file for Read the Docs (#102)

.readthedocs.yml

@@ -0,0 +1,20 @@
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+# Set the version of Python and other tools you might need
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.11"
+
+# Declare the Python requirements required to build your documentation
+python:
+  install:
+  - requirements: docs/requirements.txt
+
+# Build documentation in the docs directory with Sphinx
+sphinx:
+  configuration: docs/conf.py