Add a menu point to allow document attachment type import.

views/document_attachment.xml

@@ -88,4 +88,22 @@
             </field>
         </record>
 
+        <record id="document_attachment_type_action" model="ir.actions.act_window">
+            <field name="name">Document Attachment Type</field>
+            <field name="res_model">document_attachment.type</field>
+            <field name="view_type">tree</field>
+            <field name="view_mode">list,form</field>
+        </record>
+
+        <!--Setting > Document Attachment -->
+        <menuitem id="document_attachment_menu"
+                  name="Document Attachment"
+                  parent="base.menu_custom" />
+
+        <!--Setting > Document Attachment > Attachment Type -->
+        <menuitem name="Attachement Type" id="document_attachment_type_menu"
+                  parent="document_attachment_menu"
+                  action="document_attachment_type_action"
+                  sequence="8" />
+
 </odoo>