fix: allow bundler to skip deploying functions

Author: sweatybridge

pkg/function/batch.go

@@ -61,7 +61,10 @@ OUTER:
 }
 var body bytes.Buffer
 meta, err := s.eszip.Bundle(ctx, slug, function.Entrypoint, function.ImportMap, function.StaticFiles, &body)
-if err != nil {
+if errors.Is(err, ErrNoDeploy) {
+fmt.Fprintln(os.Stderr, "Skipping undeployable Function:", slug)
+continue
+} else if err != nil {
 return err
 }
 meta.VerifyJwt = &function.VerifyJWT