That is awesome news!!! Congrats to you ...I know how bad you were waiting on your interview and how worried you felt but I am sure this feels like a weight got lifted off your shoulder!!
Notice of Action 1 is essentially a (written) notice from USCIS stating that they have received your petition and that they will begin processing it.
Notice of Action 2 is the (written) notification from USCIS stating that your petition was approved and will be sent to the National Visa Center (NVC) for further processing.
The wait between NOA1 to NOA2 is usually 5 months.
To get a better understanding of the whole CR1/IR1 Visa process, go to the Guides and Wiki section here on VJ..... REALLY REALLY HELPFUL!