You actually can just grab the deploy-to-web SWF and embed it in Dreamweaver. In DW's "Insert" panel, choose "Media > SWF", and then choose your SWF.
If you look at the source of Main.html, you'll see that it does some nice things for you - e.g. enabling history management; showing a "you need Flash" message if the client doesn't have Flash. If you want those features, you should import the entire deploy-to-web folder into DW, then open Main.html and use it as a starting point.