Update tox.ini && conf.py file

Performed-by: gitea/infra/otc-metadata/tools/generate_doc_confpy.py

doc/source/conf.py

@@ -16,6 +16,8 @@
 
 import os
 import sys
+from git import Repo
+from datetime import datetime
 
 extensions = [
     'otcdocstheme',
@@ -111,3 +113,9 @@ html_copy_source = False
 
 # -- Options for PDF output --------------------------------------------------
 latex_documents = []
+
+# Get the Git commit values for last updated timestamp on each page
+repo = Repo(search_parent_directories=True)
+commit = repo.head.commit
+current_commit_hash = commit.hexsha
+current_commit_time = commit.committed_datetime.strftime('%Y-%m-%d %H:%M')