Add raster panel icon family

design/brand/Burrow.icon/icon.json

@@ -1,64 +1,20 @@
 {
-  "fill" : {
-    "automatic-gradient" : "srgb:0.09020,0.06275,0.04314,1.00000"
+  "fill": {
+    "type": "solid",
+    "color": "#00000000"
   },
-  "groups" : [
+  "layers": [
     {
-      "layers" : [
-        {
-          "glass" : false,
-          "hidden" : false,
-          "image-name" : "burrow-ground.png",
-          "name" : "burrow-ground",
-          "position" : {
-            "scale" : 1,
-            "translation-in-points" : [
-              0,
-              18
-            ]
-          }
-        },
-        {
-          "glass" : false,
-          "hidden" : false,
-          "image-name" : "owl-figure.png",
-          "name" : "owl-figure",
-          "position" : {
-            "scale" : 1.16,
-            "translation-in-points" : [
-              0,
-              18
-            ]
-          }
-        },
-        {
-          "glass" : false,
-          "hidden" : false,
-          "image-name" : "owl-legs.png",
-          "name" : "owl-legs",
-          "position" : {
-            "scale" : 1.16,
-            "translation-in-points" : [
-              0,
-              18
-            ]
-          }
-        }
-      ],
-      "shadow" : {
-        "kind" : "neutral",
-        "opacity" : 0.36
-      },
-      "translucency" : {
-        "enabled" : false,
-        "value" : 0
+      "blend-mode": "normal",
+      "image-name": "owl-figure.png",
+      "name": "panel-raster",
+      "position": {
+        "scale": 1,
+        "translation-in-points": [
+          0,
+          0
+        ]
       }
     }
-  ],
-  "supported-platforms" : {
-    "circles" : [
-      "watchOS"
-    ],
-    "squares" : "shared"
-  }
+  ]
 }