Organize KPrepublic, K.T.E.C, xiudi boards into directories (#12159)

* reset; redoing my steps; and recommit

* include xd002/.noci

keyboards/xiudi/xd004/keymaps/default/keymap.c

@@ -0,0 +1,13 @@
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+    // 0: Base Layer
+    LAYOUT_all(KC_L, KC_O, KC_V, KC_E),
+
+};
+
+// Loop
+void matrix_scan_user(void){
+    // Empty
+};

keyboards/xiudi/xd004/keymaps/default/readme.md

@@ -0,0 +1,7 @@
+# Default Keymap for XD004 PCB
+
+This keymap is not very useful, but it will validate that the board works.
+
+## Build
+
+To build the default keymap, simply run `make xd004:default`.