refactor(shield): "Architeuthis Dux" to "A. Dux"

The shorter name is more user-friendly.

app/boards/shields/a_dux/Kconfig.defconfig

@@ -1,24 +1,24 @@
 # Copyright (c) 2021 The ZMK Contributors
 # SPDX-License-Identifier: MIT
 
-if SHIELD_ARCHITEUTHIS_DUX_LEFT
+if SHIELD_A_DUX_LEFT
 
 config ZMK_KEYBOARD_NAME
-	default "Architeuthis Dux"
+	default "A. Dux"
 
 config ZMK_SPLIT_BLE_ROLE_CENTRAL
 	default y
 
 endif
 
-if SHIELD_ARCHITEUTHIS_DUX_RIGHT
+if SHIELD_A_DUX_RIGHT
 
 config ZMK_KEYBOARD_NAME
 	default "A. Dux Right"
 
 endif
 
-if SHIELD_ARCHITEUTHIS_DUX_LEFT || SHIELD_ARCHITEUTHIS_DUX_RIGHT
+if SHIELD_A_DUX_LEFT || SHIELD_A_DUX_RIGHT
 
 config ZMK_SPLIT
 	default y

app/boards/shields/a_dux/Kconfig.shield

@@ -0,0 +1,8 @@
+# Copyright (c) 2021 The ZMK Contributors
+# SPDX-License-Identifier: MIT
+
+config SHIELD_A_DUX_LEFT
+	def_bool $(shields_list_contains,a_dux_left)
+
+config SHIELD_A_DUX_RIGHT
+	def_bool $(shields_list_contains,a_dux_right)

app/boards/shields/a_dux/README.md

@@ -1,6 +1,6 @@
-# Architeuthis Dux
+# A. Dux
 
-Shield configuration for [Architeuthis Dux by Tapi][1].
+Shield configuration for [Architeuthis Dux by Tapi][1] (aka A. Dux, A.D., "Giant Squid").
 
 ![Wireless Architeuthis Dux with nice!nano controllers][2]
 

app/boards/shields/a_dux/a_dux.zmk.yml

@@ -1,11 +1,11 @@
 file_format: "1"
-id: architeuthis_dux
-name: Architeuthis Dux
+id: a_dux
+name: A. Dux
 type: shield
 url: https://github.com/tapioki/cephalopoda/
 requires: [pro_micro]
 features:
   - keys
 siblings:
-  - architeuthis_dux_left
-  - architeuthis_dux_right
+  - a_dux_left
+  - a_dux_right

app/boards/shields/a_dux/a_dux_left.overlay

@@ -4,4 +4,4 @@
  * SPDX-License-Identifier: MIT
  */
 
-#include "architeuthis_dux.dtsi"
+#include "a_dux.dtsi"

app/boards/shields/a_dux/a_dux_right.overlay

@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: MIT
  */
 
-#include "architeuthis_dux.dtsi"
+#include "a_dux.dtsi"
 
 &default_transform {
 	col-offset = <17>;

app/boards/shields/architeuthis_dux/Kconfig.shield

@@ -1,8 +0,0 @@
-# Copyright (c) 2021 The ZMK Contributors
-# SPDX-License-Identifier: MIT
-
-config SHIELD_ARCHITEUTHIS_DUX_LEFT
-	def_bool $(shields_list_contains,architeuthis_dux_left)
-
-config SHIELD_ARCHITEUTHIS_DUX_RIGHT
-	def_bool $(shields_list_contains,architeuthis_dux_right)