add download cards to Install category index

docs/guides/install/_category_.json

@@ -2,6 +2,7 @@
   "label": "Install",
   "position": 10,
   "link": {
-    "type": "generated-index"
+    "type": "doc",
+    "id": "guides/install/index"
   }
 }

docs/guides/install/index.mdx

@@ -0,0 +1,31 @@
+---
+title: Install
+---
+
+import { AssetsProvider } from '@site/src/components/assets-context';
+import DownloadCard from '@site/src/components/download-card';
+import styles from '@site/src/css/download-card.module.css';
+
+<AssetsProvider>
+  <div className={styles.downloadContainer}>
+    <DownloadCard
+      osName="Windows"
+      osLogo="/img/logo-windows.svg"
+      infoText="Binary executable"
+      guideLink="/docs/guides/install/windows"
+    />
+    <DownloadCard
+      osName="macOS"
+      osLogo="/img/logo-apple.svg"
+      infoText="Binary executable"
+      guideLink="/docs/guides/install/macos"
+    />
+    <DownloadCard
+      osName="Linux"
+      osLogo="/img/logo-linux.svg"
+      infoText="DEB, RPM packages"
+      guideLink="/docs/guides/install/linux"
+    />
+  </div>
+</AssetsProvider>
+