Adding SX60 work by amnobis and configurator settings (#3122)

* Add SX60

* Add config maps and layouts as well as readmes.

* cleanup and fixes

* correct readme

* add missing closing commenty tag

* Changing includes to QMK_KEYBOARD_H

* Update settings.json

Remove config change that was added automatically by vscode.

* Update readme.md

fix readme formatting

keyboards/sx60/config.h

@@ -0,0 +1,61 @@
+#ifndef CONFIG_H
+#define CONFIG_H
+
+#include "config_common.h"
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID       0xFEED
+#define PRODUCT_ID      0x6060
+#define DEVICE_VER      0x0001
+#define MANUFACTURER    qmkbuilder
+#define PRODUCT         keyboard
+#define DESCRIPTION     Keyboard
+
+/* key matrix size */
+#define MATRIX_ROWS 5
+#define MATRIX_COLS 16
+#define ATMEGA_COLS 8
+
+/* key matrix pins */
+#define MATRIX_ROW_PINS { B1, B2, B3, C6, B6 }
+#define MATRIX_COL_PINS { F6, B5, B4, D7, D6, D5, D3, D2 }
+#define UNUSED_PINS
+
+
+
+/* COL2ROW or ROW2COL */
+#define DIODE_DIRECTION COL2ROW
+
+/* number of backlight levels */
+#define BACKLIGHT_PIN B7
+#ifdef BACKLIGHT_PIN
+#define BACKLIGHT_LEVELS 3
+#endif
+
+/* Set 0 if debouncing isn't needed */
+#define DEBOUNCING_DELAY 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
+
+/* key combination for command */
+#define IS_COMMAND() ( \
+    keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
+)
+
+/* prevent stuck modifiers */
+#define PREVENT_STUCK_MODIFIERS
+
+
+#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
+
+#endif