[Keyboard] Add Zed60 PCB (#17304)

* add zed60

* update readme.md

* Delete chconf.h

* update readme.md

* Update keyboards/mechlovin/zed60/rules.mk

* Update keyboards/mechlovin/zed60/keymaps/via/keymap.c

* Update keyboards/mechlovin/zed60/keymaps/default/keymap.c

* Update keyboards/mechlovin/zed60/keymaps/default/keymap.c

* Update keyboards/mechlovin/zed60/keymaps/via/keymap.c

* Update keyboards/mechlovin/zed60/keymaps/via/keymap.c

* Update keyboards/mechlovin/zed60/keymaps/via/keymap.c

* Update keyboards/mechlovin/zed60/config.h

* Update keyboards/mechlovin/zed60/config.h

* Update keyboards/mechlovin/zed60/info.json

* Update keyboards/mechlovin/zed60/readme.md

* Update keyboards/mechlovin/zed60/info.json

* Update keyboards/mechlovin/zed60/zed60.h

keyboards/mechlovin/zed60/readme.md

@@ -0,0 +1,27 @@
+# zed60
+
+![zed60](https://i.imgur.com/KyTpfmMl.png)
+
+Zed60 PCB, 60% keyboard PCB.
+* Keyboard Maintainer: [Mechlovin'](https://mechlovin.studio)
+* Hardware Supported: Kay60, APM32F103
+* Hardware Availability: [Mechlovin'](https://mechlovin.studio)
+
+Make example for this keyboard (after setting up your build environment):
+
+    make mechlovin/zed60:default
+
+Flashing example for this keyboard:
+
+    make mechlovin/zed60:default:flash
+
+## Bootloader
+
+Enter the bootloader in 4 ways:
+
+* **Bootmagic reset**: Hold down the key at (0,0) in the matrix (usually the top left key or Escape) and plug in the keyboard
+* **Physical reset button**: Briefly press the button on the back of the PCB - some may have pads you must short instead
+* **Keycode in layout**: Press the key mapped to `RESET` if it is available
+* **Bootloader**: Hold down the key at (0,13) in the matrix (Backspace) and plug in the keyboard 
+
+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).