[Keyboard] Adding Little Alby the Arduino Keyboard (#10713)

* Adding little Alby keyboard

* Adding readme and expanding programs

* Updating readme

* adding spirit guide

* changes based on review

* Updating config name and readme

* Update keyboards/littlealby/mute/rules.mk

Update tabbing

Co-authored-by: Ryan <fauxpark@gmail.com>

* Update keyboards/littlealby/mute/rules.mk

Remove other boards

Co-authored-by: Ryan <fauxpark@gmail.com>

* Changes based on review

* Update keyboards/littlealby/mute/config.h

Co-authored-by: Ryan <fauxpark@gmail.com>

* Update keyboards/littlealby/mute/rules.mk

Co-authored-by: Ryan <fauxpark@gmail.com>

* Update keyboards/littlealby/readme.md

Co-authored-by: Ryan <fauxpark@gmail.com>

* Update keyboards/littlealby/readme.md

Co-authored-by: Ryan <fauxpark@gmail.com>

* Update keyboards/littlealby/mute/config.h

Co-authored-by: Ryan <fauxpark@gmail.com>

* Adding unique vendor and Product IDs

* Update keyboards/littlealby/mute/config.h

Co-authored-by: Ryan <fauxpark@gmail.com>

* 0x4D55 = MU

* Adding default map

Co-authored-by: Alby Barber <albybarber@gmail.com>
Co-authored-by: Ryan <fauxpark@gmail.com>

keyboards/littlealby/mute/keymaps/default/readme.md

@@ -0,0 +1,8 @@
+# Default keymap for arduino micro for Zoom
+
+Default for Mute is to use ```PB5 / digital pin 9 / analog pin 9```
+
+Key commands that are emulated for Zoom is `CTL + SHIFT + W`
+
+## Example pinout
+![Pinout](https://assets.codepen.io/18215/littleAlby_bb.png)