chore: add jimp dependency, icon padding script, and update configuration

node_modules/min-document/test/cleanup.js

@@ -0,0 +1,13 @@
+module.exports = Cleanup
+
+function Cleanup (document) {
+
+    return cleanup
+
+    function cleanup () {
+        var childNodes = document.body.childNodes
+        for (var i = 0; i < childNodes.length; i++) {
+            document.body.removeChild(childNodes[i])
+        }
+    }
+}