[Keymap] new userspace for ibnuda (#8221)

* to ease the maintenance for some boards ibnuda has.

* followed ridingqwerty's suggestion on 8821.

* folloing drashna's suggestion on qmk's 8221.

* following drashn's suggestion on qmk's 8211

users/ibnuda/tapdance.h

@@ -0,0 +1,23 @@
+#pragma once
+#include "ibnuda.h"
+
+#ifdef TAP_DANCE_ENABLE
+typedef enum {
+    SINGLE_TAP,
+    SINGLE_HOLD,
+    DOUBLE_TAP,
+} td_state_t;
+
+int current_dance(qk_tap_dance_state_t *state);
+
+void dance_tmb_finished(qk_tap_dance_state_t *state, void *user_data);
+void dance_tmb_reset(qk_tap_dance_state_t *state, void *user_data);
+
+// enum for tap dances.
+enum {
+    TD_DLT_CTLDLT = 0,
+    TD_SCLN_CLN,
+    TD_LEFT_THUMB,
+};
+
+#endif // TAP_DANCE_ENABLE