Template:Biome feature doc links

Other biome features templates:
 * Template:Crystalline caverns biome features
 * Template:Dense biozone biome features
 * Template:Fungus bogs biome features
 * Template:Glacial strata biome features
 * Template:Magma core biome features
 * Template:Radioactive exclusion zone biome features
 * Template:Salt pits biome features
 * Template:Sandblasted corridors biome features
 * Template:Hollow bough biome features
 * Template:Azure weald biome features