Base Narfpad config (#2)

Add a base keymap for the Narfpad 
 - check all connections
 - set up keys and encoders
 - get RGB indicator working
 - check Bluetooth

* Update build.yaml

* Create Kconfig.shield

* Create Kconfig.defconfig

* Create narfpad.overlay

faked -gpio numbers need to be set

* Update narfpad.overlay

add matrix

* Update narfpad.overlay

* Create narfpad.keymap

* Create narfpad.zmk.yml

* Create narfpad.conf

* Update narfpad.zmk.yml

* Update narfpad.conf

* Update narfpad.overlay

* Update narfpad.keymap

* Update narfpad.overlay

* Update narfpad.overlay

* Update narfpad.keymap

* Update narfpad.overlay

* Update build.yml

* Update build.yaml

* change file names

* fix Kconfigs

* added files

* more reconcile

* 3x3

* pruning

* add kpd

* fix kpd

* change to 3x3

* fix pin numbers on narfpad

* add encoder col

* fix layout

* rearrange

* letters

* rm pulldowns

* redo matrix, add rgb

* redo matrix, add rgb

* w wout

* encoder?

* just encoder

* encoder

* all working base

* add usb/bt toggle

* formatting

* nums

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Co-authored-by: Dane Evans <[email protected]>