feat: add assets for markdown live preview docs

Author: devvaannsh

docs/08-Features/08-Live Preview/03-markdown-live-preview.md

@@ -1,18 +1,22 @@
 ---
 title: Markdown Live Preview
 ---
+import React from 'react';
+import VideoPlayer from '@site/src/components/Video/player';
 
 When you open a Markdown file (`.md`), **Live Preview** shows a nicely formatted version of your document with syntax-highlighted code blocks, rendered Mermaid diagrams, and more. As you type in the editor, the preview updates in real-time.
 
-<!-- Add an image here showing a Markdown file in the editor with its rendered Live Preview side by side -->
+![Markdown Live Preview](../images/livePreview/markdown-preview.png "A Markdown file open in the editor with its rendered Live Preview alongside")
 
 ## Scroll and Cursor Sync
 
 The editor and preview stay in sync as you work. When you scroll or move your cursor in the editor, the preview follows along to show the same section. Clicking a section in the preview scrolls the editor to the matching line too.
 
 You can turn sync on or off using the **cursor sync toggle** *(link icon)* in the preview toolbar.
 
-<!-- Add an image here showing the cursor sync toggle button in the toolbar -->
+<VideoPlayer
+  src="https://docs-images.phcode.dev/videos/markdown/toggle-cursor-sync.mp4"
+/>
 
 The preview toolbar also has a **theme toggle** *(sun/moon icon)* to switch between light and dark themes, a **search** bar (`Ctrl/Cmd + F`), and a **print** button.
 
@@ -22,4 +26,8 @@ The preview toolbar also has a **theme toggle** *(sun/moon icon)* to switch betw
 
 With **Phoenix Pro**, you can go beyond just viewing. Edit your Markdown directly in the Live Preview with a full rich text editor - format text, build tables, drag in images, add links, use slash commands to insert blocks, and much more. All your changes sync back to the source code automatically.
 
+<VideoPlayer
+  src="https://docs-images.phcode.dev/website/videos/markdown-pro-dialog.mp4"
+/>
+
 [Learn more about the Markdown Editor](../../Pro%20Features/markdown-editor)