Mosslize

Makes it so that as time passes, cobblestone, stone bricks will turn into its mossy version over time.

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In 1.12.2 (these are the only mossy variants, i want to keep it vanilla friendly):

• cobblestone -> mossy_cobblestone
• stonebrick -> mossy_stonebrick
• cobblestone_wall -> mossy_cobblestone_wall

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In 1.20.1 (these are the only mossy variants, i want to keep it vanilla friendly):

• cobblestone (stair, slab, wall variants) -> mossy_cobblestone (stair, slab, wall variants)
• stonebrick (stair, slab) -> mossy_stonebrick (stair, slab)