add html and server interpreters

these are basic and lack most features.
the server seems to work the best.
the html on the other hand is really rough and doesn't seem to work yet.
but it does build the pages and they have all the shapes and sections we
wanted. More work to come. :)

cmd/cli/cli.go

@@ -14,6 +14,7 @@ func main() {
 		tailwindCmd(),
 		setupCmd(),
 		vueGenCmd(),
+		serveCmd(), // New command for server interpreter
 	}
 
 	app := &cli.App{