Add Silky - immediate mode UI graphics (#3231)

Author: treeform

packages.json

@@ -13236,6 +13236,20 @@
     "license": "MIT",
     "web": "https://github.com/treeform/nimby"
   },
+  {
+    "name": "silky",
+    "url": "https://github.com/treeform/silky",
+    "method": "git",
+    "tags": [
+      "ui",
+      "graphics",
+      "immediate-mode",
+      "gui"
+    ],
+    "description": "Silky immediate mode UI graphics.",
+    "license": "MIT",
+    "web": "https://github.com/treeform/silky"
+  },
   {
     "name": "fluffy",
     "url": "https://github.com/treeform/fluffy",