Add TENKI keyboard (#9029)

* Add TENKI keyboard

Add TENKI keyboard, default keymap and via keymap

* Minor Update Readme.md

Change description of hardware supported

* change layout name

change layout name from ortho_20 to ortho_5x4

* Fix invalid format in info.json

Fix invalid format in info.json

* Fix invalid format

* Fix formatting

Fix formatting tenki.h

* Fix formatting in keymap.c

Fix formatting in keymap.c

* Add new line at EOF info.json

Add new line at EOF

* Fix formatting

* Fix formatting

* Update rules.mk

Fix Formatting

keyboards/tenki/config.h

@@ -0,0 +1,41 @@
+#pragma once
+
+#include "config_common.h"
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID       0x5058 // "PX"
+#define PRODUCT_ID      0x5445 // "TE"
+#define DEVICE_VER      0x1001
+#define MANUFACTURER    Pixlup
+#define PRODUCT         TENKI
+#define DESCRIPTION     Customizable Mechanical Numpad
+
+/* key matrix size */
+#define MATRIX_ROWS 5
+#define MATRIX_COLS 4
+
+/* key matrix pins */
+#define MATRIX_ROW_PINS { B1, B4, F6, B6, B2 }
+#define MATRIX_COL_PINS { F4, F5, D4, D0 }
+#define UNUSED_PINS
+
+#define DIODE_DIRECTION COL2ROW
+
+/* Set 0 if debouncing isn't needed */
+#define DEBOUNCE 5
+
+/* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
+#define LOCKING_SUPPORT_ENABLE
+
+/* Locking resynchronize hack */
+#define LOCKING_RESYNC_ENABLE
+
+
+/* ws2812 RGB LED */
+#define RGB_DI_PIN D1
+#define RGBLIGHT_ANIMATIONS
+#define RGBLED_NUM 3   // Number of LEDs
+#define RGBLIGHT_HUE_STEP 10
+#define RGBLIGHT_SAT_STEP 10
+#define RGBLIGHT_VAL_STEP 10
+#define RGBLIGHT_SLEEP