Create README.md
色々と追加
追加

AO_ItemAxe,Sickel,Shovel,Toolsの追加
Merge branch 'AdditionalOre' of https://github.com/MinerJackal/AdditionalOre into AdditionalOre
add
Merge pull request #1 from MinerJackal/AdditionalOre

色々と変更