This site is aimed at an adult diet- however all will be transfreable- ie- what you eat will come through the milk...
Site 1
This one is interesting- take or leave what info you like I think- It states that BM is hypoallergenic which isnt strictly true- but hey- there are some great tips there anyways.
Site 2
And last but not least:
from 
here
Vegetables (due to high acid or belching)
    * Broccoli
    * Green Peppers
    * Cabbage
    * Brussel Sprouts
    * Cauliflower
    * Tomato
    * Tomato Juice
    * Corn
    * Cucumber
    * Onions
    * Garlic
    * Turnips
    * Rhubarb
    * Kale
Fruits (due to high acid or lots of fiber and seeds)
    * Apple (especially peels)
    * Bananas (can cause constipation)
    * Citrus fruits
    * Figs
    * Coconut
Beverages
    * Milk (lactose intolerance can provoke reflux in some people)
    * Coffee (even decaffeinated)
    * Tea
    * Carbonated Beverages
    * Caffeinated Beverages
Starches
    * Beans (gas producing)
    * Oats (rolled oats OK)
    * Tofu (avoid large quantities)
    * Barley ( OK if perled barley is cooked 10-15 min)
Miscellaneous
    * Fatty or Fried Foods (fats take longer to digest)
    * Meat with connective tissue/gristle (take longer to digest)
    * Chili Powder
    * Vinegars
    * Chocolate
    * Molasses
    * Peppermint/Spearmint (Wintergreen is unrelated)
    * Honey
    * Caffeine
    * Foods with "air" such as fluffy baked goods, Meringues.
    * Swallowing air by sucking on hard candies or drinking from straws
    * Rye Seeds
    * Meat Extracts
    * Black Pepper (White pepper is OK)
    * Creamy Foods/Gravies (High fat content)
    * Gooey Pastries (High fat content)
    * Simple Sugar Foods
    * Excessive Fiber (increase very gradually as tolerated)
    * Pectin
    * High Energy Foods (digest slowly)
    * MCT Oil (medium chain triglycerides, digest slowly)
    * Guargum (thickener, digests slowly)