A lot of things.

_output/template_modifications/public/rhpz_above_thread_list_clubs.json

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+{
+    "template": "forum_view",
+    "description": "Add the club banner above the threads list.",
+    "execution_order": 10,
+    "enabled": true,
+    "action": "str_replace",
+    "find": "<xf:extension id=\"above_thread_list\"></xf:extension>",
+    "replace": "$0\n<xf:if is=\"$forum.Node.parent_node_id == $xf.options.rhpz_club_node_id\">\n    <div class=\"club-banner-container\">\n        <xf:if is=\"$forum.Club.banner_date\">\n            <img src=\"{$forum.Club.getBannerUrl()}\" alt=\"Banner {$forum.title}\" class=\"club-banner\" />\n        </xf:if>\n    </div>\n</xf:if>"
+}

_output/template_modifications/public/rhpz_above_thread_list_clubs_buttons.json

@@ -0,0 +1,9 @@
+{
+    "template": "forum_view",
+    "description": "Add Owner edit/delete buttons.",
+    "execution_order": 5,
+    "enabled": true,
+    "action": "str_replace",
+    "find": "<xf:extension id=\"above_thread_list\"></xf:extension>",
+    "replace": "$0\n<xf:if is=\"$forum.Club && $forum.Club.user_id == $xf.visitor.user_id\">\n    <div class=\"block-outer-opposite u-marginBottom\">\n        <div class=\"buttonGroup\">\n            <a href=\"{{ link('clubs/edit', $forum.Club) }}\" class=\"button button--link\" icon=\"edit\">Edit</a>\n            <a href=\"{{ link('clubs/delete', $forum.Club) }}\" class=\"button button--link\" icon=\"delete\" overlay=\"true\">Delete</a>\n        </div>\n    </div>\n</xf:if>"
+}

_output/template_modifications/public/rhpz_category_view_clubs_submit_button.json

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+{
+    "template": "category_view",
+    "description": "Add Club Submit button",
+    "execution_order": 10,
+    "enabled": true,
+    "action": "str_replace",
+    "find": "\t\t\t\t\t\t\t<xf:button href=\"{{ link('categories/mark-read', $category, {'date': $xf.time}) }}\"\n\t\t\t\t\t\t\t\tclass=\"button--link\" overlay=\"true\">",
+    "replace": "<xf:if is=\"$xf.options.rhpz_club_node_id == $category.node_id\">\n\t<xf:button href=\"{{ link('clubs/submit') }}\"\n\t\t\t   class=\"button--link\">\n\t\tRequest a club\n\t</xf:button>\n</xf:if>\n$0"
+}