Update docs build with readthedocs config

docs/.readthedocs.yaml

@@ -0,0 +1,27 @@
+# .readthedocs.yaml
+# 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"
+
+# Build documentation in the docs/ directory with Sphinx
+sphinx:
+   configuration: source/conf.py
+
+# If using Sphinx, optionally build your docs in additional formats such as PDF
+#formats:
+#  - pdf
+
+# Optionally declare the Python requirements required to build your docs
+python:
+   install:
+   - requirements: doc-requirements.txt
+   - method: pip
+     path: .

docs/source/conf.py

@@ -64,7 +64,7 @@
 
 # General information about the project.
 project = "Jupyter Enterprise Gateway"
-copyright = "2022, Project Jupyter"  # noqa
+copyright = "2023, Project Jupyter"  # noqa
 author = "Jupyter Server Team"
 
 # The version info for the project you're documenting, acts as replacement for