Add reset instructions (#99)

Author: dbisu

README.md

@@ -133,6 +133,10 @@ keycode_win_de.mpy
 
 ## Useful links and resources
 
+### How to recover your Pico if it becomes corrupted or doesn't boot.
+
+[Reset Instructions](RESET.md)
+
 ### Installation Tool
 
 [raspberrypi5621](https://github.com/raspberrypi5621) Created a tool to convert a blank RPi Pico to a ducky.  

RESET.md

@@ -0,0 +1,7 @@
+# Instructions on how to reset a Raspberry Pi Pico
+Follow these instructions if your Pico ends up in an odd state
+
+1. Download the reset firmware from [flash_nuke.uf2](https://datasheets.raspberrypi.com/soft/flash_nuke.uf2)
+2. While holding the BOOTSEL button on the Pico, plug in the USB cable to your computer.
+3. When the RPI-RP2 drive shows up on your computer, copy the flash_nuke.uf2 file to the Pico
+4. After the device reboots, follow the Install instructions [here](https://github.com/dbisu/pico-ducky/blob/main/README.md)