Update README.md

Author: ineskhou

README.md

@@ -63,6 +63,12 @@ Now you want to install the firmware to the board.
 make install BOARD_DIR=[path-to-your-board]
 ```
 
+or 
+```
+cp build-fprime-automatic-zephyr/zephyr/zephyr.uf2 [path-to-your-board]
+```
+to copy the uf2 if the make install isnt working
+
 Finally, run the fprime-gds.
 ```shell
 make gds