initial PyKey60 commit for JPConstantineau's keymap

boards/jpconstantineau/PyKey60/README.md

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+# JPConstantineau's PyKey60
+
+![PyKey60](https://cdn.tindiemedia.com/images/resize/JYsH3WYq6GZD4xnvByhHXzwLhPo=/p/full-fit-in/2400x1600/i/556481/products/2021-09-17T19%3A53%3A16.118Z-PXL_20210917_194653430.jpg?1631883222)
+
+A 60% RGB Keyboard PCB with Hot Swap Sockets, running CircuitPython on a RP2040 Soldered on board.
+
+kb.py is designed to work with the [PyKey60 CircuitPython UF2](https://circuitpython.org/board/jpconstantineau_pykey60/)
+
+Retailers (USA)  
+[BlueMicro Store on Tindie](https://www.tindie.com/products/jpconstantineau/pykey60-rgb-keyboard-pcb-with-a-rp2040/)  
+
+Extensions enabled by default  
+- [Layers](https://github.com/KMKfw/kmk_firmware/tree/master/docs/layers.md) Need more keys than switches? Use layers.
+- [RGB](https://github.com/KMKfw/kmk_firmware/tree/master/docs/rgb.md) Light it up
+- [MediaKeys](https://github.com/KMKfw/kmk_firmware/tree/master/docs/media_keys.md) Control volume and other media functions