[gnome-text-editor] help-overlay: add close document to shortcuts

[Christian Hergert <chergert src gnome org>]

commit a13f0d14b2ce22ed470c535d9a7591076bd7ddda
Author: Christian Hergert <chergert redhat com>
Date:   Tue Jul 20 08:10:41 2021 -0700

    help-overlay: add close document to shortcuts
    
    Related #113

 src/help-overlay.ui | 6 ++++++
 1 file changed, 6 insertions(+)
---
diff --git a/src/help-overlay.ui b/src/help-overlay.ui
index 7a16f2c..95f70d1 100644
--- a/src/help-overlay.ui
+++ b/src/help-overlay.ui
@@ -86,6 +86,12 @@
                 <property name="accelerator">&lt;primary&gt;f</property>
               </object>
             </child>
+            <child>
+              <object class="GtkShortcutsShortcut">
+                <property name="title" translatable="yes">Close document</property>
+                <property name="accelerator">&lt;control&gt;w</property>
+              </object>
+            </child>
           </object>
         </child>
         <child>