[Keyboard] move @nacly 's boards to nacly/ (#15801)

keyboards/nacly/splitreus62/readme.md

@@ -8,6 +8,6 @@ A split version of the [Atreus62](https://github.com/profet23/atreus62) by Profe
 
 Make example for this keyboard (after setting up your build environment):
 
-    make splitreus62:default
+    make nacly/splitreus62: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).

keyboards/nacly/ua62/readme.md

@@ -9,6 +9,6 @@
 
 Make example for this keyboard (after setting up your build environment):
 
-    make ua62:default
+    make nacly/ua62: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).