Created "paddlegame" keymap (#13629)

* Added gmmk pro paddlegame keymap

* Replaced config.h with my own

* Adjust code to better fit style guide

* Update readme to include layout

* Fixed keymap, was missing a few keys

* Replaced all instances of _isWinKeyDisabled with keymap_config.no_gui

* Update keyboards/gmmk/pro/ansi/keymaps/paddlegame/keymap.c

Co-authored-by: Drashna Jaelre <drashna@live.com>

Co-authored-by: Tomas Guinan <bngrybt@gmail.com>
Co-authored-by: Drashna Jaelre <drashna@live.com>

keyboards/gmmk/pro/ansi/keymaps/paddlegame/readme.md

@@ -0,0 +1,18 @@
+![GMMK Pro Paddle Game zLayout Image](https://i.imgur.com/RYcKyOj.png)
+
+# Paddle Game GMMK Pro layout by Tomas Guinan
+
+- Add Print Screen, Scroll Lock, Pause/Break, Insert to Fn layer
+- Toggle backlight using Fn+`
+	- If you don't like using a backlight but wnat to play the paddle game or
+	  use other RGB features, turn RGB on and set brightness to 0
+- Usable Fn layer keys are backlit
+- Implement Win key lock using Fn+Win like in Glorious Core firmware
+- Caps Lock and Scroll Lock keys light up white when active
+- Caps Lock has red flashing side lights like in Glorious Core firmware
+- Layer 2 includes Paddle Game, playable by pressing Fn+P
+	- Use rotary encoder to control paddle
+	- Contains 12 levels, indicated by blue LED on F row
+	- Player has 4 lives, indicated by nav cluster
+	- Deflect white balls while avoiding red ones
+	- Press Fn to quit game