Hotfix for deprecation of Sphinx context injection

Additional information are at: https://about.readthedocs.com/blog/2024/07/addons-by-default/

Author: MikeOpenHWGroup

docs/source/conf.py

@@ -18,6 +18,15 @@
 # import sys
 # sys.path.insert(0, os.path.abspath('.'))
 
+# -- Deprecation of Sphinx context injection ---------------------------------
+import os
+
+# Set canonical URL from the Read the Docs Domain
+html_baseurl = os.environ.get("READTHEDOCS_CANONICAL_URL", "")
+
+# Tell Jinja2 templates the build is running on Read the Docs
+if os.environ.get("READTHEDOCS", "") == "True":
+    html_context["READTHEDOCS"] = True
 
 # -- Project information -----------------------------------------------------