Add the plywrks ply8x hotswap variant. (#23558)

* Add hotswap variant

* Update RGB matrix

* Move files around to target develop

* Revert rules.mk for keyboards/jaykeeb/joker/rules.mk

* Update keyboards/plywrks/ply8x/hotswap/keyboard.json

Co-authored-by: Drashna Jaelre <drashna@live.com>

* Apply suggestions from code review

Co-authored-by: Duncan Sutherland <dunk2k_2000@hotmail.com>

* Add missing community layouts

* Delete keyboards/plywrks/ply8x/rules.mk

* Update missing keys in RGB matrix

* Add missing key in RGB matrix for hotswap ver

* Remove via keymaps

* Add keyboard alias for plywrks/ply8x to plywrks/ply8x/solder

* Fix typo

* Fix another typo

---------

Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: Duncan Sutherland <dunk2k_2000@hotmail.com>

data/mappings/keyboard_aliases.hjson

@@ -581,6 +581,9 @@
     "ploopyco/trackball": {
         "target": "ploopyco/trackball/rev1_005"
     },
+    "plywrks/ply8x": {
+        "target": "plywrks/ply8x/solder"
+    },
     "polilla": {
         "target": "polilla/rev1"
     },