feat(layout): add afterBody

quartz/components/Footer.tsx

@@ -13,7 +13,6 @@ export default ((opts?: Options) => {
     const links = opts?.links ?? []
     return (
       <footer class={`${displayClass ?? ""}`}>
-        <hr />
         <p>
           {i18n(cfg.locale).components.footer.createdWith}{" "}
           <a href="https://quartz.jzhao.xyz/">Quartz v{version}</a> © {year}

quartz/components/renderPage.tsx

@@ -14,6 +14,7 @@ interface RenderComponents {
   header: QuartzComponent[]
   beforeBody: QuartzComponent[]
   pageBody: QuartzComponent
+  afterBody: QuartzComponent[]
   left: QuartzComponent[]
   right: QuartzComponent[]
   footer: QuartzComponent
@@ -187,6 +188,7 @@ export function renderPage(
     header,
     beforeBody,
     pageBody: Content,
+    afterBody,
     left,
     right,
     footer: Footer,
@@ -232,6 +234,12 @@ export function renderPage(
                 </div>
               </div>
               <Content {...componentData} />
+              <hr />
+              <div class="page-footer">
+                {afterBody.map((BodyComponent) => (
+                  <BodyComponent {...componentData} />
+                ))}
+              </div>
             </div>
             {RightComponent}
           </Body>