[NEW] New module: attachment_attach_non_editable

In odoo, by default, you can't add attachments to a record if the form view
is set as not editable (``edit='false'`` in the form tag)

This module adds a new form view attribute, ``attach=``, which lets you
enable attachment uploads even in non-editable forms.

attachment_attach_non_editable/templates/web.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+  <template id="assets_backend" name="document_type backend assets" inherit_id="web.assets_backend">
+    <xpath expr="." position="inside">
+      <script type="text/javascript" src="/attachment_attach_non_editable/static/src/js/sidebar.js"></script>
+    </xpath>
+  </template>
+
+</odoo>