Add placeholder embed pages

web/pages/embed/chat/readonly.tsx

@@ -0,0 +1,3 @@
+export default function ReadOnlyChatEmbed() {
+  return <div className="chat-embed">chat container goes here</div>;
+}

web/pages/embed/chat/readwrite.tsx

@@ -0,0 +1,3 @@
+export default function ReadWriteChatEmbed() {
+  return <div className="standalone-chat-embed">fully featured chat embed goes here</div>;
+}

web/pages/embed/video/index.tsx

@@ -0,0 +1,10 @@
+import OwncastPlayer from '../../../components/video/OwncastPlayer';
+
+export default function VideoEmbed() {
+  const online = false;
+  return (
+    <div className="video-embed">
+      <OwncastPlayer source="/hls/stream.m3u8" online={online} />
+    </div>
+  );
+}