Create device_block.html

Missing file :)

Author: sergejey

templates/scenes/widgets/device_block.html

@@ -0,0 +1,7 @@
+<div style="width:100%;height:100%;
+   display: flex;
+   align-items: center;
+   background-color: rgba(%widget_background_rgba%);
+   justify-content: center;"><svg width="100%" height="100%" viewBox="0 0 260 60" preserveAspectRatio="none">
+        <foreignObject width="100%" height="100%">[#module name="devices" id="%device_id%"#]</foreignObject></svg>
+</div>