ensureItem

-- ARGUMENTS
-- name:             string
-- label:            string
-- weight:           number
-- typeof:           string            (qb-inventory)
-- unique:           boolean           
-- image:            string            (qb-inventory)
-- useable:          boolean           (qb-inventory)
-- shouldClose:      boolean           (qb-inventory)
-- combinable:       boolean OR table  (qb-inventory)
-- description:      string            
-- rare:             string
-- canRemove:        string
-- degradeModifier:  number

-- RETURNS
-- nil

ti.inventory.ensureItem(
    "water_bottle",
    "Water Bottle",
    0.2,
    "item",
    false,
    "water_bottle.png",
    true,
    false,
    false,
    "A bottle of water.",
    false,
    true,
    1.0
)