Tetris Configurator support and Rules update (#3317)

* Configurator support

* Add LAYOUTS = planck_mit to rules.mk

* Disable Tap Dance at the keyboard level

* Keymap refactor: QMK_KEYBOARD_H; enable Tap Dance for default keymap

* Add keymaps/default/rules.mk to enable Tap Dance

* Reverse the addition of config.h in keyboards/tetris/keymaps/default/

keyboards/tetris/info.json

@@ -0,0 +1,12 @@
+{
+  "keyboard_name": "Tetris",
+  "url": "",
+  "maintainer": "qmk",
+  "width": 12,
+  "height": 4,
+  "layouts": {
+    "LAYOUT_planck_mit": {
+      "layout": [{"x":0, "y":0}, {"x":1, "y":0}, {"x":2, "y":0}, {"x":3, "y":0}, {"x":4, "y":0}, {"x":5, "y":0}, {"x":6, "y":0}, {"x":7, "y":0}, {"x":8, "y":0}, {"x":9, "y":0}, {"x":10, "y":0}, {"x":11, "y":0}, {"x":0, "y":1}, {"x":1, "y":1}, {"x":2, "y":1}, {"x":3, "y":1}, {"x":4, "y":1}, {"x":5, "y":1}, {"x":6, "y":1}, {"x":7, "y":1}, {"x":8, "y":1}, {"x":9, "y":1}, {"x":10, "y":1}, {"x":11, "y":1}, {"x":0, "y":2}, {"x":1, "y":2}, {"x":2, "y":2}, {"x":3, "y":2}, {"x":4, "y":2}, {"x":5, "y":2}, {"x":6, "y":2}, {"x":7, "y":2}, {"x":8, "y":2}, {"x":9, "y":2}, {"x":10, "y":2}, {"x":11, "y":2}, {"x":0, "y":3}, {"x":1, "y":3}, {"x":2, "y":3}, {"x":3, "y":3}, {"x":4, "y":3}, {"x":5, "y":3, "w":2}, {"x":7, "y":3}, {"x":8, "y":3}, {"x":9, "y":3}, {"x":10, "y":3}, {"x":11, "y":3}]
+    }
+  }
+}

keyboards/tetris/keymaps/default/keymap.c

@@ -1,5 +1,4 @@
-#include "tetris.h"
-#include "action_layer.h"
+#include QMK_KEYBOARD_H
 
 #ifdef AUDIO_ENABLE
   #include "audio.h"

keyboards/tetris/keymaps/default/rules.mk

@@ -0,0 +1 @@
+TAP_DANCE_ENABLE = yes

keyboards/tetris/rules.mk

@@ -54,5 +54,7 @@ NKRO_ENABLE ?= yes		# USB Nkey Rollover - if this doesn't work, see here: https:
 BACKLIGHT_ENABLE ?= no  # Enable keyboard backlight functionality
 AUDIO_ENABLE ?= yes
 RGBLIGHT_ENABLE ?= yes
-TAP_DANCE_ENABLE = yes
+TAP_DANCE_ENABLE = no
 EXTRAFLAGS += -flto # Make the hex smaller
+
+LAYOUTS = planck_mit