Initial QSfera import

Server/vendor/github.com/gookit/goutil/structs/structs.go

@@ -0,0 +1,15 @@
+// Package structs Provide some extends util functions for struct. eg: tag parse, struct init, value set
+package structs
+
+// IsExported field name on struct
+func IsExported(name string) bool {
+	return name[0] >= 'A' && name[0] <= 'Z'
+}
+
+// IsUnexported field name on struct
+func IsUnexported(name string) bool {
+	if name[0] == '_' {
+		return true
+	}
+	return name[0] >= 'a' && name[0] <= 'z'
+}