web_widget_darkroom: Add o2m DarkroomJS widget

web_widget_darkroom/static/src/xml/field_templates.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<!--
+    Copyright 2016 LasLabs Inc.
+    License LGPL-3 or later (http://www.gnu.org/licenses/lgpl.html).
+-->
+
+<templates id="field_templates" xml:space="preserve">
+    <t t-name="FieldDarkroomImage">
+        <span class="oe_form_field o_form_field_darkroom"
+              t-att-style="widget.node.attrs.style">
+            <t t-if="!widget.get('effective_readonly')">
+                <div class="darkroom-toolbar" />
+            </t>
+        </span>
+    </t>
+</templates>