🏗️ change doc theme

website/src/pages/index.tsx

@@ -0,0 +1,30 @@
+import Hero, { HeroFeatureSingle } from "@theme/Hero";
+
+import CodeBlock from "@theme/CodeBlock";
+import Layout from "@theme/Layout";
+import React from "react";
+import clsx from "clsx";
+import styles from "./index.module.css";
+
+export default function Home() {
+  const feature = {
+    title: "Develop",
+    tagline: "fast to code",
+    description: "仅需两步，即可开始编写你的机器人",
+  };
+
+  return (
+    <Layout>
+      <Hero />
+      <HeroFeatureSingle {...feature}>
+        <CodeBlock
+          title="Installation"
+          className={clsx("inline-block", styles.homeCodeBlock)}
+          metastring="bash"
+        >
+          {"pip install nb-cli\nnb create"}
+        </CodeBlock>
+      </HeroFeatureSingle>
+    </Layout>
+  );
+}