(docs): Add cloudfront url tracker to index

Author: jaidisido

docs/source/conf.py

@@ -97,7 +97,6 @@
         ("License", "https://github.com/awslabs/aws-data-wrangler/blob/main/LICENSE.txt", True),
         ("Contributing", "https://github.com/awslabs/aws-data-wrangler/blob/main/CONTRIBUTING.md", True),
         ("GitHub", "https://github.com/awslabs/aws-data-wrangler", True),
-        ("", "https://d3tiqpr4kkkomd.cloudfront.net/img/pixel.png?asset=RIXAH6KDSYAI1HHEBLTY", True),
     ],
     # Render the next and previous page links in navbar. (Default: true)
     "navbar_sidebarrel": False,
@@ -151,6 +150,12 @@
 nbsphinx_allow_errors = True
 nbsphinx_execute = "never"
 
+rst_epilog = """
+
+.. |tracking| image:: https://d3tiqpr4kkkomd.cloudfront.net/img/pixel.png?asset=RIXAH6KDSYAI1HHEBLTY
+           :alt: tracking
+
+"""
 
 def setup(app):
     app.add_css_file("css/max_width.css")