add scotto community layouts and userspace (#21097)

Co-authored-by: Joe Scotto <me@joescotto.com>
Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: Joe Scotto <contact@joescotto.com>

users/scotto/tap_dance.h

@@ -0,0 +1,39 @@
+/*
+Copyright 2023 Joe Scotto
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+#include "scotto.h"
+
+typedef enum {
+    TD_NONE = 0,
+    TD_UNKNOWN,
+    TD_SINGLE_HOLD,
+    TD_DOUBLE_HOLD,
+    TD_TRIPLE_HOLD,
+    TD_SINGLE_TAP,
+    TD_DOUBLE_TAP,
+    TD_TRIPLE_TAP
+} td_state_t;
+
+typedef struct {
+    bool is_press_action;
+    td_state_t state;
+} td_tap_t;
+
+enum {
+    TD_LCTL_ESC_SPOTLIGHT_EMOJI = 0,
+    TD_LALT_ESC_WINDOWS_EMOJI,
+    TD_ESC_LALT_LCTL_SPOTLIGHT_EMOJI,
+    TD_ESC_LCTL_LALT_WINDOWS_EMOJI
+};