split_3x5_3 layout support (#9624)

* Add split_3x5_3 support to Minidox

* Add split_3x5_3 support to Miniaxe

* Add LAYOUT_mini to Centromere

This layout macro removes the need or KC_NO keycodes in the keymap.

* Add split_3x5_3 support to Centromere

* Add split_3x5_3 support to suihankey split

* Add LAYOUT_mini to centromere/info.json

* Add LAYOUT_mini to crkbd

* Add split_3x5_3 support to crkbd

* Change mini layout names

* Rename main layouts for split_3x6_3 keyboards

* Use split_3x5_3 macro for remaining keyboards

* Update relevant info.json files

* Fix suihankey/split/alpha macro

* Add layout aliases for suihankey

keyboards/miniaxe/info.json

@@ -5,7 +5,7 @@
     "width": 11,
     "height": 4,
     "layouts": {
-        "LAYOUT": {
+        "LAYOUT_split_3x5_3": {
             "layout": [{"label":"Q", "x":0, "y":0}, {"label":"W", "x":1, "y":0}, {"label":"E", "x":2, "y":0}, {"label":"R", "x":3, "y":0}, {"label":"T", "x":4, "y":0}, {"label":"Y", "x":6, "y":0}, {"label":"U", "x":7, "y":0}, {"label":"I", "x":8, "y":0}, {"label":"O", "x":9, "y":0}, {"label":"P", "x":10, "y":0}, {"label":"A", "x":0, "y":1}, {"label":"S", "x":1, "y":1}, {"label":"D", "x":2, "y":1}, {"label":"F", "x":3, "y":1}, {"label":"G", "x":4, "y":1}, {"label":"J", "x":6, "y":1}, {"label":"J", "x":7, "y":1}, {"label":"K", "x":8, "y":1}, {"label":"L", "x":9, "y":1}, {"label":";", "x":10, "y":1}, {"label":"Z", "x":0, "y":2}, {"label":"X", "x":1, "y":2}, {"label":"C", "x":2, "y":2}, {"label":"V", "x":3, "y":2}, {"label":"B", "x":4, "y":2}, {"label":"N", "x":6, "y":2}, {"label":"M", "x":7, "y":2}, {"label":",", "x":8, "y":2}, {"label":".", "x":9, "y":2}, {"label":"/", "x":10, "y":2}, {"label":"Cmd", "x":2, "y":3}, {"label":"⇓", "x":3, "y":3}, {"label":"Ctrl", "x":4, "y":3}, {"x":6, "y":3}, {"label":"⇑", "x":7, "y":3}, {"label":"Opt", "x":8, "y":3}]
         }
     }