Prepare migration to monorepo

modules/project/view/work_tree_simple.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<tree sequence="sequence">
+    <field name="name" expand="1"/>
+    <field name="company" expand="1" optional="1"/>
+    <field name="type" optional="1"/>
+    <field name="status" optional="0"/>
+</tree>