[Keyboard] Add support for Polaris (#8123)

* Drop in old files

* Make a blank template keyboard to refresh ancient files to latest config

* Update keymaps files to new format

* Remove chunks of config asked for removal in previous pullreqs

* Remove split pin option from config

* Update rules.mk to latest version

* Remove unused functions from polaris.c

* Add via keymap

* Build basic tsangan keymap; add QMK configurator info

* Remove temporary template

* Update keyboards/ai03/polaris/config.h

* Update keyboards/ai03/polaris/readme.md

* Update keyboards/ai03/polaris/readme.md

* Update keyboards/ai03/polaris/readme.md

* Update rules.mk

* Fixes as per pullreq

* Update keyboards/ai03/polaris/keymaps/default_ansi_tsangan/keymap.c

* Update keyboards/ai03/polaris/polaris.h

* Update keyboards/ai03/polaris/keymaps/default_ansi_tsangan/keymap.c

* Update keyboards/ai03/polaris/info.json

* Update keyboards/ai03/polaris/keymaps/testing/readme.md

1 files changed, 16 insertions, 0 deletions

diff --git a/keyboards/ai03/polaris/keymaps/testing/readme.md b/keyboards/ai03/polaris/keymaps/testing/readme.md
new file mode 100644
index 0000000000..ceefe30e8a
--- /dev/null
+++ b/keyboards/ai03/polaris/keymaps/testing/readme.md
@@ -0,0 +1,16 @@
+# The PCB testing keymap for Polaris
+
+LED control keys are placed on the numrow.  
+Mainly for factory testing use only.  
+  
+ESC = Backlight Toggle  
+1   = Backlight Step  
+  
+5    = RGB Toggle  
+6    = RGB Mode Cycle  
+7    = RGB Hue Increase  
+8    = RGB Hue Decrease  
+9    = RGB Saturation Increase  
+0    = RGB Saturation Decrease  
+MINS = RGB Value Increase  
+EQL  = RGB Value Decrease