Readthedocs support (#107)

Authored-by: shirtjs <2660574+shirtjs@users.noreply.github.com>

.readthedocs.yml

@@ -0,0 +1,23 @@
+# .readthedocs.yaml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+# Build documentation in the docs/ directory with Sphinx
+sphinx:
+    configuration: docs/conf.py
+
+# Optionally build your docs in additional formats such as PDF
+formats:
+    - epub
+    - pdf
+    - htmlzip
+
+# Optionally set the version of Python and requirements required to build your docs
+python:
+    version: 3
+    install:
+    - requirements: docs/requirements.txt
+    - requirements: requirements.txt