Move rendering into private templates

Add an explicit template renderer with HTML views and partials for the app, bootstrap, package, and catalog pages. Move shared reporting setup into config/reporting.php and relocate stylesheet assets under css/.

private/views/partials/config-token-table.html

@@ -0,0 +1,8 @@
+<table>
+<tr>
+<th>{{token_label}}</th>
+<th>{{created_at_label}}</th>
+<th>{{expires_at_label}}</th>
+</tr>
+{{{token_rows_html}}}
+</table>