[Keyboard] move standaside into edi/ (#15798)

keyboards/standaside/readme.md → keyboards/edi/standaside/readme.md

@@ -10,6 +10,6 @@ Hardware Availability: Seven Store (https://store.7storm.org).
 
 Make example for this keyboard (after setting up your build environment):
 
-    make standaside:default
+    make edi/standaside: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).
+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).