add animation panel

data/dialogs/panel-animation.xml

@@ -0,0 +1,31 @@
+<?xml version="1.0"?>
+<root
+  xmlns="http://panopainter.com/layout.xsd"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+>
+
+  <layout id="tpl-layer">
+    <border height="30" border-color="1" thickness="1" color=".4" dir="row" margin="1 0 1 0">
+      <node dir="row" height="30" width="100">
+        <node width="30" pad="1">
+          <checkbox id="cb" icon="data/ui/check-layer-visibility.png"/>
+        </node>
+        <node width="1" grow="1" justify="center" pad="5">
+          <text id="label" text="Layer"/>
+        </node>
+      </node>
+      <border color=".2" grow="1" margin="1">
+        
+      </border>
+    </border>
+  </layout>
+  
+  <layout id="tpl-panel-animation">
+    <node width="600" margin="0 0 10 0" rtl="ltr">
+      <scroll id="layers-container" pad="5" color=".4" dir="col-reverse" justify="flex-end" flood-events="1" grow="1" shrink="1">
+        <!--layers list-->
+      </scroll>
+    </node>
+  </layout>
+
+</root>