new subsrcribe topic with wildcard *

utils/utils.go

@@ -0,0 +1,14 @@
+package utils
+
+import "strings"
+
+func Matches(pattern, topic string) bool {
+	if pattern == "*" {
+		return true
+	}
+	if strings.HasSuffix(pattern, "/*") {
+		prefix := strings.TrimSuffix(pattern, "/*")
+		return strings.HasPrefix(topic, prefix+"/")
+	}
+	return pattern == topic
+}