Added manuals

bandwidth/glenwing-spoiler.js

@@ -0,0 +1,11 @@
+class Spoiler extends HTMLElement {
+
+}
+
+window.customElements.define('glenwing-spoiler', Spoiler);
+
+var GlenwingSpoilerProto = Object.create(HTMLElement.prototype);
+
+Object.defineProperty(GlenwingSpoilerProto, 'open', { value: true, writable: true });
+Object.defineProperty(GlenwingSpoilerProto, 'retractable', { value: true, writable: true});
+Object.defineProperty(GlenwingSpoilerProto, 'footer', { value: true, writable: true });