Modularise item data, change tesla arc from projectile to particle

src/Dodge/Default/Weapon.hs

@@ -3,6 +3,7 @@ module Dodge.Default.Weapon
 import Dodge.Data
 import Dodge.Item.Weapon.ExtraEffect
 import Dodge.Item.Weapon.InventoryDisplay
+import Dodge.Item.Data
 import Picture
 defaultGun :: Item
 defaultGun = Weapon 
@@ -37,6 +38,7 @@ defaultGun = Weapon
     , _itInvColor = white
     , _itTargeting = Nothing
     , _itWorldTrigger = Nothing
+    , _itAimStance = OneHand
     }
 
 defaultAutoGun :: Item
@@ -44,6 +46,7 @@ defaultAutoGun = defaultGun
     { _itScrollUp   = const id
     , _itScrollDown = const id
     , _itInvDisplay = basicWeaponDisplay
+    , _itAimStance = TwoHandTwist
     }
 
 defaultShellAmmo :: Ammo