[Keymap] Crkbd/thunderbird2086 (#16973)

* crkbd:thunderbird2086

* readme

* after code review

* coding format

* minor change

* changed file name

* correct image

* updated readme

* using query to get rgb status

* minor update

keyboards/crkbd/keymaps/thunderbird2086/tap_dances.h

@@ -0,0 +1,16 @@
+// Copyright 2021 Allen Choi (@thunderbird2086)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+enum custom_tapdances {
+    TD_ESC_CAPS = 0,
+    TD_TAB_CTRLTAB,
+    TD_GRV_CTRLGRV,
+    TD_GUI_GUISPC,
+};
+
+#define T_ESC  TD(TD_ESC_CAPS)          // Tap for ESC, double tap for CAPSLOCK
+#define T_TAB  TD(TD_TAB_CTRLTAB)       // Tap for TAB, double tap for CTRL + TAB
+#define T_GRV  TD(TD_GRV_CTRLGRV)       // Tap for GRV, double tap for Cmd + GRV
+#define T_GUI  TD(TD_GUI_GUISPC)        // Tap for Cmd, double tap for Cmd + Space