Move some media

examples/spi_max7219/README.md

@@ -16,4 +16,4 @@ The example expects you to connect a MAX7219 based 7 segment 8 character display
 You can choose which examples will be shown on the display by changing the `spi_max7219.c` file in the marked demo selection section. All examples are enabled by default.
 
 Once running, you'll see one of the many examples being displayed like so:
-![Demo of the MAX7219 based 8 digit 7 segment display connected to a CH32V003 dev board, in operation](demo_pic.jpg)
+![Demo of the MAX7219 based 8 digit 7 segment display connected to a CH32V003 dev board, in operation](https://github.com/cnlohr/ch32v003fun_attic/blob/master/media/demo_pic_max7219.jpg?raw=true)
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