give footer a backlink

config.toml

@@ -487,6 +487,7 @@ cloned_repos  = "cloned_repos/"
 ###############################################################################
 [gitsy_extra]
 generated_by = "Itsy-Gitsy"
+generated_by_url = "https://git.trevorbentley.com/itsy-gitsy/"
 #global_user_defined_var = "whatever"
 #these_can_also_be_numbers = 5
 #or_bools = true

templates/footer.html

@@ -1,3 +1,7 @@
 <div class="footer">
 <hr/>
+{% if extra and extra.generated_by_url -%}
+Generated by <a href="{{extra.generated_by_url | safe}}">{{extra | get(key="generated_by", default="Itsy-Gitsy")}}</a> on {{ts_to_git_timestamp(ts=site_generated_ts, tz=site_generated_offset)}}</div>
+{% else -%}
 Generated by {{extra | get(key="generated_by", default="Itsy-Gitsy")}} on {{ts_to_git_timestamp(ts=site_generated_ts, tz=site_generated_offset)}}</div>
+{% endif -%}