[Keyboard] jacky_studio/piggy60 (#18012)

keyboards/jacky_studio/piggy60/readme.md

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+# Piggy60
+
+![piggy60](https://i.imgur.com/QXuKDual.jpg)
+
+A gasket-mounted 60% in the style of the S7 Elephant.
+
+* Keyboard Maintainer: [The QMK Community](https://github.com/qmk)
+* Hardware Supported: Piggy60
+* Hardware Availability: Group Buy took place between 2021-05-22 1600 UTC and 2021-05-25 1600 UTC on [https://jackylab.com/](https://jackylab.com/).
+
+Make example for this keyboard (after setting up your build environment):
+
+    make jacky_studio/piggy60:default
+
+Flashing example for this keyboard:
+
+    make jacky_studio/piggy60:default:flash
+
+See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).
+
+## Bootloader
+
+Enter the bootloader in 3 ways:
+
+* **Bootmagic reset**: Hold down the top left key and plug in the keyboard. This will also clear EEPROM, so it is a good first step if the keyboard is misbehaving.
+* **Physical reset**: Short the set of vertical holes on the third row, to the right of Caps Lock. These can be reached with tweezers after the board has been assembled.
+* **Keycode in layout**: There is no key mapped to `QK_BOOT` in the pre-created keymaps, but you may assign this key in any keymaps you create.