Add support for multiple values files to create hr

Signed-off-by: Stefan Prodan <stefan.prodan@gmail.com>

internal/utils/utils.go

@@ -393,3 +393,24 @@ func ValidateComponents(components []string) error {
 
 	return nil
 }
+
+// TODO(stefan): move this to fluxcd/pkg
+// taken from: https://github.com/fluxcd/helm-controller/blob/main/internal/util/util.go
+func MergeMaps(a, b map[string]interface{}) map[string]interface{} {
+	out := make(map[string]interface{}, len(a))
+	for k, v := range a {
+		out[k] = v
+	}
+	for k, v := range b {
+		if v, ok := v.(map[string]interface{}); ok {
+			if bv, ok := out[k]; ok {
+				if bv, ok := bv.(map[string]interface{}); ok {
+					out[k] = MergeMaps(bv, v)
+					continue
+				}
+			}
+		}
+		out[k] = v
+	}
+	return out
+}