Merge pull request #50 from LJ-Hao/main

[Raspberry Pi AI Kit](pictures/README/pi5_start_kit.png）

Author: LJ-Hao

README.md

@@ -46,7 +46,7 @@ This course is designed to teach you how to harness the power of AI on the Raspb
 
 |                                                Raspberry Pi 5 Starter Kit                                             |
 | :----------------------------------------------------------------------------------------------------------------: |
-| ![Raspberry Pi AI Kit](https://media-cdn.seeedstudio.com/media/catalog/product/i/m/image_2_1.png) |
+| ![Raspberry Pi AI Kit](pictures/README/pi5_start_kit.png） |
 | [**Purchase Now**](https://www.seeedstudio.com/Raspberry-Pi5-8GB-Kit-p-6254.html?utm_source=PiAICourse&utm_medium=github&utm_campaign=Course) |