Update docs (#1170)

docs/components/data-sources/youtube-video.mdx

@@ -2,6 +2,16 @@
 title: '📺 Youtube Video'
 ---
 
+## Setup
+
+Make sure you have all the required packages installed before using this data type. You can install them by running the following command in your terminal.
+
+```bash
+pip install -u "embedchain[youtube]"
+```
+
+## Usage
+
 To add any youtube video to your app, use the data_type as `youtube_video`. Eg:
 
 ```python