[gtk/wip/layout-manager: 97/98] docs: Add chapter on layout managers

[Emmanuele Bassi <ebassi src gnome org>]

commit 427aec55d1beeda150f823f8e89f46572f6f9b5a
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Fri Jan 25 12:30:51 2019 +0000

    docs: Add chapter on layout managers

 docs/reference/gtk/gtk4-docs.xml | 7 +++++++
 1 file changed, 7 insertions(+)
---
diff --git a/docs/reference/gtk/gtk4-docs.xml b/docs/reference/gtk/gtk4-docs.xml
index 902dc96a06..988032d7ed 100644
--- a/docs/reference/gtk/gtk4-docs.xml
+++ b/docs/reference/gtk/gtk4-docs.xml
@@ -99,6 +99,13 @@
       <xi:include href="xml/gtkfixed.xml" />
     </chapter>
 
+    <chapter id="LayoutManagers">
+      <title>Layout Managers</title>
+      <xi:include href="xml/gtklayoutmanager.xml" />
+      <xi:include href="xml/gtklayoutchild.xml" />
+      <xi:include href="xml/gtkboxlayout.xml" />
+    </chapter>
+
     <chapter id="DisplayWidgets">
       <title>Display Widgets</title>
       <xi:include href="xml/gtklabel.xml" />