[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/ibnuda.h

@@ -0,0 +1,55 @@
+#pragma once
+#include "quantum.h"
+
+#include "tapdance.h"
+#include "wrapper.h"
+//#include "combo.h"
+
+enum {
+    _BASE,
+    _LOWER,
+    _RAISE,
+    _ADJUST,
+};
+
+// thumb keys.
+#define ALT_ENT   ALT_T(KC_ENT)
+#define SFT_ESC   SFT_T(KC_ESC)
+
+// home row mods.
+#define CT_O LCTL_T(KC_O)
+#define CT_N RCTL_T(KC_N)
+#define SH_A LSFT_T(KC_A)
+#define SH_S RSFT_T(KC_S)
+#define AL_E LALT_T(KC_E)
+#define AL_T RALT_T(KC_T)
+#define GU_I LGUI_T(KC_I)
+#define GU_D RGUI_T(KC_D)
+
+// layer toggle.
+#define LW_I     LT(_LOWER, KC_I)
+#define LW_BSPC  LT(_LOWER, KC_BSPC)
+#define RS_SPC   LT(_RAISE, KC_SPC)
+#define RS_D     LT(_RAISE, KC_D)
+
+// idk, man. not used, i guess.
+#define ADDDD    MO(_ADJUST)
+
+// common shortcuts for windows and linux that i use.
+#define NXTTAB LCTL(KC_PGDN)
+#define PRVTAB LCTL(KC_PGUP)
+#define UPTAB  LCTL(LSFT(KC_PGUP))
+#define DNTAB  LCTL(LSFT(KC_PGDN))
+#define NXTWIN LALT(KC_TAB)
+#define PRVWIN LALT(LSFT(KC_TAB))
+#define CALDL  LCTL(LALT(KC_DELT))
+#define TSKMGR LCTL(LSFT(KC_ESC))
+#define EXPLR  LGUI(KC_E)
+#define LCKGUI LGUI(KC_L)
+#define CONPST LSFT(KC_INS)
+#define CLSGUI LALT(KC_F4)
+
+// tap dances
+#define CTL_DLT TD(TD_DLT_CTLDLT)
+#define SM_CLN  TD(TD_SCLN_CLN)
+#define LFT_TMB TD(TD_LEFT_THUMB)