[keyboard] adding keyboard: jerkin (#7975)

* jerkin

* Update config.h

* Apply suggestions from code review

Co-Authored-By: Drashna Jaelre <drashna@live.com>
Co-Authored-By: Akaash Suresh <casa.akaash@gmail.com>

* Update rules.mk

* Apply suggestions from code review

* Missing closing parenthesis in one of the suggestions.

* Finalize collaborator suggestions

* One final tweak to standardize MANUFACTURER

Co-authored-by: ridingqwerty <george.g.koenig@gmail.com>
Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: Akaash Suresh <casa.akaash@gmail.com>

keyboards/wsk/jerkin/config.h

@@ -0,0 +1,46 @@
+#pragma once
+
+#include "config_common.h"
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID       0xFEED
+#define PRODUCT_ID      0x79AE
+#define DEVICE_VER      0x0001
+#define MANUFACTURER    Worldspawn00
+#define PRODUCT         Jerkin
+#define DESCRIPTION     Alice style 30% board
+
+/* key matrix size */
+#define MATRIX_ROWS 3
+#define MATRIX_COLS 13
+
+/* key matrix pins */
+#define MATRIX_ROW_PINS { B3, B4, B5 }
+#define MATRIX_COL_PINS { D3, D2, D1, D0, D4, C6, B1, F7, F6, F5, F4, E6, D7 }
+#define UNUSED_PINS
+
+/* COL2ROW or ROW2COL */
+#define DIODE_DIRECTION COL2ROW
+
+/* number of backlight levels */
+
+#ifdef BACKLIGHT_PIN
+#define BACKLIGHT_LEVELS 0
+#endif
+
+/* 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
+
+#ifdef RGB_DI_PIN
+#define RGBLIGHT_ANIMATIONS
+// #define RGBLED_NUM 0
+#define RGBLIGHT_HUE_STEP 8
+#define RGBLIGHT_SAT_STEP 8
+#define RGBLIGHT_VAL_STEP 8
+#endif