Merge pull request #642 from maehw/master

Add microbit-pxt-code-extractor (disclaimer: a tool I wrote)

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Author: carlosperate

README.md

@@ -348,6 +348,7 @@ These languages do not program the micro:bit directly, but can be used to create
 - [micro:bit uploader](https://makecode.microbit.org/uploader) - Windows application that monitors your Downloads folder and flashes any new programs to the micro:bit.
 - [Hardware Simulation with QEMU](https://www.qemu.org/2019/05/22/microbit/) - Emulation support for the micro:bit is available from QEMU 4.0 and can be used for low-level software testing and development.
 - [WebUSB flashing tool](https://microbit.org/tools/webusb-hex-flashing/) - Tool to flash (program) any BBC micro:bit hex file using the WebUSB technology available in Chrome and Edge browsers.
+- [micro:bit PXT code extractor](https://github.com/maehw/microbit-pxt-code-extractor) - Tool to extract the embedded source code from Universal Hex files generated by the MakeCode editor.
 
 
 ## 🧰 micro:bit Tools