Updated items.c

Working but non-matching

include/constants/item_data_constants.h

@@ -0,0 +1,12 @@
+#ifndef GUARD_CONSTANTS_ITEM_DATA_CONSTANTS_H
+#define GUARD_CONSTANTS_ITEM_DATA_CONSTANTS_H
+
+
+#define POCKET_ITEMS,      0x01
+#define POCKET_POKE_BALLS, 0x02
+#define POCKET_TM_HM,      0x03
+#define POCKET_BERRIES,    0x04
+#define POCKET_KEY_ITEMS,  0x05
+
+
+#endif  // GUARD_CONSTANTS_ITEM_DATA_CONSTANTS_H