fix: add permalinkPrefix to role group links for fork compatibility

- Update role index templates to use {{ permalinkPrefix }} in group links
- Ensures proper routing when site is deployed on GitHub Pages forks
- Maintains compatibility between main site and fork deployments

Author: shawnthompson

src/main/en/roles/index.njk

@@ -13,7 +13,7 @@ tags:
 	{% for roleGroup in groupPairsEn %}
 	<div class="col-md-6">
 		<h2>
-			<a href="/{{ locale }}/roles/{{ roleGroup[0] }}/">{{ roleGroup[1] }}</a>
+			<a href="{{ permalinkPrefix }}/{{ locale }}/roles/{{ roleGroup[0] }}/">{{ roleGroup[1] }}</a>
 		</h2>
 		<ul class="list-inline">
 			{% for roleLabel in roleGroup[3] %}

src/main/fr/roles/index.njk

@@ -13,7 +13,7 @@ tags:
 	{% for roleGroup in groupPairsFr %}
 	<div class="col-md-6">
 		<h2>
-			<a href="/{{ locale }}/roles/{{ roleGroup[0] }}/">{{ roleGroup[1] }}</a>
+			<a href="{{ permalinkPrefix }}/{{ locale }}/roles/{{ roleGroup[0] }}/">{{ roleGroup[1] }}</a>
 		</h2>
 		<ul class="list-inline">
 			{% for roleLabel in roleGroup[3] %}