Colorless Weakness and Resistance

- WR_COLORLESS can now be used as a weakness or a resistance when editing src/data/cards.asm

src/constants/card_data_constants.asm

@@ -170,6 +170,7 @@ DEF WR_LIGHTNING EQU $20
 DEF WR_WATER     EQU $10
 DEF WR_FIGHTING  EQU $08
 DEF WR_PSYCHIC   EQU $04
+DEF WR_COLORLESS EQU $02
 
 ; CARD_DATA_ATTACK*_CATEGORY constants
 DEF DAMAGE_NORMAL EQU $00