[RPG] Weapon types

[baiumbg]

• Add a type field to every weapon
• Set all current weapon types to either strength or dexterity
• Modify [p]items add to require a weapon type when adding a new weapon
• Add intelligence weapons
• Modify [p]shop weapon to also list the type of each weapon
• Remove tabulation from [p]items list
• Add [p]item, which displays all information for an item