feat(site): add util reference pipeline (#537)

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

site/src/components/docs/demos/create-player/react/css/BasicUsage.css

@@ -0,0 +1,24 @@
+.react-create-player-basic {
+  position: relative;
+}
+
+.react-create-player-basic video {
+  width: 100%;
+}
+
+.react-create-player-basic__controls {
+  position: absolute;
+  bottom: 10px;
+  left: 10px;
+}
+
+.react-create-player-basic__button {
+  padding-block: 8px;
+  background: rgba(255, 255, 255, 0.7);
+  backdrop-filter: blur(10px);
+  color: black;
+  border: 1px solid rgba(255, 255, 255, 0.3);
+  border-radius: 9999px;
+  padding-inline: 20px;
+  cursor: pointer;
+}

site/src/components/docs/demos/create-player/react/css/BasicUsage.tsx

@@ -0,0 +1,41 @@
+import { createPlayer, features } from '@videojs/react';
+import { Video } from '@videojs/react/video';
+
+import './BasicUsage.css';
+
+const { Provider, Container, usePlayer } = createPlayer({
+  features: features.video,
+});
+
+function Controls() {
+  const store = usePlayer();
+  const paused = usePlayer((s) => s.paused);
+
+  return (
+    <div className="react-create-player-basic__controls">
+      <button
+        type="button"
+        className="react-create-player-basic__button"
+        onClick={() => (paused ? store.play() : store.pause())}
+      >
+        {paused ? 'Play' : 'Pause'}
+      </button>
+    </div>
+  );
+}
+
+export default function BasicUsage() {
+  return (
+    <Provider>
+      <Container className="react-create-player-basic">
+        <Video
+          src="https://stream.mux.com/lhnU49l1VGi3zrTAZhDm9LUUxSjpaPW9BL4jY25Kwo4/highest.mp4"
+          autoPlay
+          muted
+          playsInline
+        />
+        <Controls />
+      </Container>
+    </Provider>
+  );
+}