[Keyboard] Initial refactor of maxipad to conform to current standards (#5233)

keyboards/maxipad/readme.md

@@ -1,17 +1,27 @@
 # Maxipad
 
-## Quantum MK Firmware
+![Maxipad](https://images.bigcartel.com/product_images/193297217/product_image.jpg)
 
-For the full Quantum feature list, see [the parent readme.md](/readme.md).
+5 x 6 Gamepad/Macropad PCBs from /u/wootpatoot
 
-If you are using a pro micro then make sure to enable USE_PRO_MICRO in the makefile
-Change the config.h pinout to match your mcu!!
+- Multiple layouts supported
+  - Full-grid
+  - 2u thumb-key (the 2u only works in the bottom right position).
+- Multiple controllers supported
+  - Pro Micro
+  - PJRC Teensy 2.0
 
-Depending on which keymap you would like to use, you will have to compile slightly differently.
+Keyboard Maintainer: QMK Community  
+Hardware Supported: Maxipad PCB  
+Hardware Availability: [switchtop](http://www.switchtop.com/product/gamepad-macropad-pcbs)
 
-### Default
+Make example for this keyboard (after setting up your build environment):
 
-To build with the default keymap, simply run `make maxipad:default`.
+    make maxipad:default
 
-### Other Keymaps
-Several version of keymap are available in advance but you are recommended to define your favorite layout yourself. To define your own keymap create file named `<name>.c` and see keymap document (you can find in top readme.md) and existent keymap files.
+If you would like to use one of the alternative controllers:
+
+    make maxipad/promicro:default
+    make maxipad/teensy2:default
+
+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).