add main post widget areas

library.js

@@ -69,6 +69,16 @@ library.defineWidgetAreas = async function (areas) {
 	});
 
 	areas = areas.concat([
+		{
+			name: 'Main post header',
+			template: 'topic.tpl',
+			location: 'mainpost-header',
+		},
+		{
+			name: 'Main post footer',
+			template: 'topic.tpl',
+			location: 'mainpost-footer',
+		},
 		{
 			name: 'Account Header',
 			template: 'account/profile.tpl',

templates/partials/topic/post.tpl

@@ -1,3 +1,11 @@
+{{{ if (!./index && widgets.mainpost-header.length) }}}
+<div data-widget-area="mainpost-header">
+	{{{ each widgets.mainpost-header }}}
+	{widgets.mainpost-header.html}
+	{{{ end }}}
+</div>
+{{{ end }}}
+
 <div class="clearfix post-header">
 	<div class="icon pull-left">
 		<a href="<!-- IF posts.user.userslug -->{config.relative_path}/user/{posts.user.userslug}<!-- ELSE -->#<!-- ENDIF posts.user.userslug -->">
@@ -104,3 +112,10 @@
 	</div>
 	<div component="post/replies/container"></div>
 </div>
+{{{ if (!./index && widgets.mainpost-footer.length) }}}
+<div data-widget-area="mainpost-footer">
+	{{{ each widgets.mainpost-footer }}}
+	{widgets.mainpost-footer.html}
+	{{{ end }}}
+</div>
+{{{ end }}}