apply 66_(ansi|iso) to keyboards (qmk#21834)

Author: dunk2k

keyboards/clueboard/66_hotswap/gen1/info.json

@@ -28,7 +28,7 @@
     "pid": "0x2391",
     "vid": "0xC1ED"
   },
-  "community_layouts": [],
+  "community_layouts": ["66_ansi"],
   "layout_aliases": {
     "LAYOUT": "LAYOUT_all"
   },

keyboards/handwired/3dp660/info.json

@@ -18,6 +18,7 @@
     "diode_direction": "COL2ROW",
     "processor": "atmega32u4",
     "bootloader": "halfkay",
+    "community_layouts": ["66_ansi"],
     "layouts": {
         "LAYOUT_66_ansi": {
             "layout": [

keyboards/hineybush/h660s/info.json

@@ -36,6 +36,7 @@
     },
     "processor": "atmega32u4",
     "bootloader": "atmel-dfu",
+    "community_layouts": ["66_ansi", "66_iso"],
     "layouts": {
         "LAYOUT_66_ansi": {
             "layout": [