Keymap: 4x4 pro micro (#3976)

* 4x4 - pro micro version

* pro-micro setup on 4x4

* tap dance LCTL/RESET key

* remove test file

* more research

* revert a couple un-intended edits

* opt_defs version of adding custom rules.mk variables

* cleanup

* cleanup

* cleanup

* cleanup

* layout edits

* layout edits

* keymap edit

* numpad layout change

* got tap dance layer-switch working

* keymap changes

* temporary revert

* restore previous settings

* misc fixes

* layer order change

* fix layout matrix

* Update tapdances.c

users/wanleg/wanleg.c

@@ -41,6 +41,12 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
       }
       return false;
       break;
+    case NUMPAD:
+    if (record->event.pressed) {
+      set_single_persistent_default_layer(PAD);
+      }
+      return false;
+      break;
     case SUBTER:
       if (record->event.pressed) {
         layer_on(SUB);