Add personal KBD67 keymap (#6292)

* Add kbdfans/kbd67/hotswap:stevanmilic keymap

* Change Fn+H, Fn+L to Ctrl+Left, Ctrl+Right

* Add keymap comments

keyboards/kbdfans/kbd67/hotswap/keymaps/stevanmilic/config.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#define FORCE_NKRO
+
+#define MOUSEKEY_DELAY             50
+#define MOUSEKEY_INTERVAL          15
+#define MOUSEKEY_MAX_SPEED         4
+#define MOUSEKEY_TIME_TO_MAX       50
+#define MOUSEKEY_WHEEL_MAX_SPEED   1
+#define MOUSEKEY_WHEEL_TIME_TO_MAX 50
+
+#define NO_ACTION_FUNCTION
+#define NO_ACTION_MACRO
+#define NO_ACTION_ONESHOT
+
+#define PERMISSIVE_HOLD
+#define TAPPING_TERM        200
+#define TAPPING_TOGGLE      2
+#define TAP_HOLD_CAPS_DELAY 50