feat(ReadTheDocs): introduce settings for ReadTheDocs

.readthedocs.yaml

+# .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: "3.10"
+
+sphinx:
+   configuration: docs/conf.py
+
+formats: all
+
+python:
+   install:
+    - method: pip
+      path: .
+      extra_requirements:
+        - docs
+    - method: pip