That does look nice, thanks for sharing. I am in the same boat with a 15-month old daughter who likes to get into everything. Fortunately she hasn't realized my vino actually opens yet! But I personally want a lock as it will only be a matter of time and I don't want anyone messing with my cigars and leaving the door open for an extended period of time.
Here is what someone found when I posed the question of looking for a lock. I like it because there is no drilling involved, but it definitely doesn't look that nice. I haven't bought one yet, but probably will...
http://www.marinelock.com/Refrigerator-Locks_c_1.html