Change footer to link to this repo

Signed-off-by: Daniel Lim Wee Soong <weesoong.lim@gmail.com>

Author: daniellimws

sphinx_material/sphinx_material/layout.html

@@ -209,7 +209,7 @@
             {% trans sphinx_version=sphinx_version|e %}Created using
             <a href="http://www.sphinx-doc.org/">Sphinx</a> {{ sphinx_version }}.
             {% endtrans %} and
-            <a href="https://github.com/bashtage/sphinx-material/">Material for
+            <a href="https://github.com/SymbiFlow/sphinx_symbiflow_theme">Material for
               Sphinx</a>
           {%- endif %}
         </div>