Cospad Configurator and readme update (#4663)

* Cospad: Configurator update

- added LAYOUT_gamepad_6x4 data
  - renders as 4 rows by 6 columns visually
- fixed LAYOUT_numpad_6x4 data
  - JSON objects were in the wrong order

* Cospad: readme update

- markdown formatting fixes
- made Hardware Availability address a hyperlink
- updated Docs links

keyboards/cospad/readme.md

@@ -4,8 +4,8 @@ COSPAD
 A DIY Keypad Kit sold by KPRepublic, runs TKG natively.
 
 Keyboard Maintainer: QMK Community  
-Hardware Supported: COSPAD
-Hardware Availability: https://aliexpress.com/item/cospad-Custom-Mechanical-Keyboard-Kit-up-tp-24-keys-Supports-TKG-TOOLS-Underglow-RGB-PCB-20/32818383873.html
+Hardware Supported: COSPAD  
+Hardware Availability: [KPrepublic on Aliexpress](https://aliexpress.com/item/cospad-Custom-Mechanical-Keyboard-Kit-up-tp-24-keys-Supports-TKG-TOOLS-Underglow-RGB-PCB-20/32818383873.html)
 
 Only supports on and off for the backlight leds, as they are not connected to a PWM pin.
 
@@ -18,4 +18,4 @@ Make example for this keyboard (after setting up your build environment):
 
     make cospad:default
 
-See [build environment setup](https://docs.qmk.fm/build_environment_setup.html) then the [make instructions](https://docs.qmk.fm/make_instructions.html) for more information.
+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).