dark mode, add bookmarklet demo

src/outputs/bookmarklet.js

@@ -6,7 +6,12 @@ export default function bookmarklet() {
   }
   window.EmbeddableWidget = EmbeddableWidget;
 
-  EmbeddableWidget.mount();
+  EmbeddableWidget.mount({
+    termsUrl: "https://tosdr.org/",
+    privacyStatement: "This chat application does not collect any of your personal data or any data from your use of this service.",
+    matrixServerUrl: "https://matrix.rhok.space",
+    roomName: "Support Chat",
+  });
 }
 
 bookmarklet();