YAY!! - I am sooo happy for you. You must be so excited to be bringing your little bundle home.
I mirror what mamadoc has said, go find a BF clinic immediately and/or get your HV's, community midwives to come around immediately or NCT or La Leche to come around and help you get the feeding sorted to reestablish itself.
My friend who is a BF counsellor told me to do this when I was having problems
Take your baby and you and go to bed for a week, literally, stay in bed and do nothing but feed on demand. Eat well, it takes lots of energy to make milk, feed topless and ensure you are feeding during the night.
She also told me about the following - all of which i tried (but i have a medical problem which causes lack of milk)
Herbs
Fenugreek, fennel tea, blessed thistle - are all used (and have been used for ages) to help increase breast milk. however you have to take a LOT of fenugreek. find out more here
I was given domperidone by my dr, apparently this is commonly given to mummies of prem babies as it stimulates Breast milk. It's actually an anti nausea drug, sold under the name of motilium. But one of its side effects is an increase in breast milk in lactating or relactating women. I found this helped me a bit and helped one of my friends a huge amount. You need to take 1 tablet 3 x a day.
In relation to it passing into the mothers milk, a small amount does. However my LO hasnt/didnt seem to suffer any side effects and in fact domperidone is actually prescribed for babies with reflux, albeit in smaller amounts.
I really, really wish you best of luck and am glad you can finally enjoy your baby.