Green Cobwebs

Changes the texture in minecraft/textures/block/cobweb.png to be green while keeping the three shades in the original cobweb texture.

Original shades:

• #FFFFFF (bright)
• #E4E9E9 (mid)
• #C4CED2 (dark)

New shades:

• #6EFF00 (bright)
• #64E700 (mid)
• #58CC00 (dark)