add size to character

lib/character.lua

@@ -13,6 +13,7 @@ local ANIMATION_SPEED = 0.1
 --- @field skills table
 --- @field class "warrior"|"mage"
 --- @field position Vec3
+--- @field size Vec3
 local character = {}
 character.__index = character
 
@@ -35,6 +36,7 @@ local function spawn(name, spriteDir, level)
     }
 
     char.position = Vec3({})
+    char.size = Vec3({})
 
     char.state = "idle"