[Keyboard] Add handwired Wulkan keyboard (#6282)

* added handwired keyboard wulkan

* added info.json for qmk configurator

* fixed spelling

* enum dont need to be assigned to zero

* removed cflag from readme

* updated rules.mk

* removed unneeded rows from config

* moved unicode to keymap conf

* fix adjust layer and comments for keymap

keyboards/handwired/wulkan/wulkan.c

@@ -0,0 +1,6 @@
+#include "wulkan.h"
+
+void matrix_init_kb(void) {
+  matrix_init_user();
+}
+