Refactor: move miniaxe into kagizaraya (#22708)

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

data/mappings/keyboard_aliases.hjson

@@ -1074,6 +1074,9 @@
     "melody96": {
         "target": "ymdk/melody96"
     },
+    "miniaxe": {
+        "target": "kagizaraya/miniaxe"
+    },
     "minidox/rev1": {
         "target": "maple_computing/minidox/rev1"
     },

keyboards/miniaxe/readme.md → keyboards/kagizaraya/miniaxe/readme.md

@@ -11,6 +11,6 @@ Hardware Availability: [@ka2hiro](https://twitter.com/ka2hiro)
 
 Make example for this keyboard (after setting up your build environment):
 
-    make miniaxe:default:dfu
+    make kagizaraya/miniaxe:default
 
 See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).