added alternate colors for some wooden floor materials https://files.facepunch.com/jason/1b2811b1/sbox-dev_GCxF25umxg.jpg https://sbox.game/facepunch/woodenflooringblight https://sbox.game/facepunch/woodenfloorherringbonealight https://sbox.game/facepunch/herringbonea2blend