Add badges for Go Report Card, Go version, and license

Added badges to the README for Go Report Card, minimum Go version, and MIT license to improve project visibility and provide quick reference information.

Author: rojcode

README.md

@@ -2,6 +2,12 @@
 
 [![Go](https://github.com/rojcode/kurdical/actions/workflows/go.yml/badge.svg)](https://github.com/rojcode/kurdical/actions/workflows/go.yml)
 
+[![Go Report Card](https://goreportcard.com/badge/github.com/rojcode/kurdical)](https://goreportcard.com/report/github.com/rojcode/kurdical)
+
+[![Go Version](https://img.shields.io/badge/go-%3E%3D1.20-blue)](https://golang.org/dl/)
+
+[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
+
 ## About the Kurdish Calendar
 
 The Kurdish calendar is an independent solar calendar system with historical offsets aligned to significant events in Kurdish history.