[Keyboard] A symmetric stagger keyboard: Angel (#11501)

* New symmetric stagger keyboard: Angel

* mac layout

* layout simplify

* Update keyboards/angel/info.json

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

* Update keyboards/angel/keymaps/default/keymap.c

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

* Update keyboards/angel/config.h

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

* Update keyboards/angel/readme.md

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

* Update keyboards/angel/rules.mk

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

* tab lang switch

* move to handwired and fix build instructions.

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

keyboards/handwired/angel/rules.mk

@@ -0,0 +1,22 @@
+# MCU name
+MCU = atmega32u4
+
+# Bootloader selection
+BOOTLOADER = caterina
+
+# Build Options
+#   change yes to no to disable
+#
+BOOTMAGIC_ENABLE = full     # Virtual DIP switch configuration
+MOUSEKEY_ENABLE = yes       # Mouse keys
+EXTRAKEY_ENABLE = yes       # Audio control and System control
+CONSOLE_ENABLE = no         # Console for debug
+COMMAND_ENABLE = no         # Commands for debug and configuration
+# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
+SLEEP_LED_ENABLE = no       # Breathing sleep LED during USB suspend
+# if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
+NKRO_ENABLE = yes           # USB Nkey Rollover
+BACKLIGHT_ENABLE = no       # Enable keyboard backlight functionality
+RGBLIGHT_ENABLE = no        # Enable keyboard RGB underglow
+BLUETOOTH_ENABLE = no       # Enable Bluetooth
+AUDIO_ENABLE = no           # Audio output