docs: add Rust workflow badge to README.md

README.md

@@ -1,5 +1,6 @@
 # Termux Clock
 [![WIP](https://img.shields.io/badge/%F0%9F%9B%A0-WIP-cyan)](#)
+[![Rust](https://img.shields.io/github/actions/workflow/status/iahmadgad/termux-clock/rust.yml?label=Rust&logo=rust)](https://github.com/iahmadgad/termux-clock/actions/workflows/rust.yml)
 <details>
      <summary><picture><img src="https://img.shields.io/badge/termux--clock-Metrics-blue" alt="Metrics"></picture></summary>
      <img src="https://raw.githubusercontent.com/iahmadgad/iahmadgad/refs/heads/metrics/termux-clock.metrics.svg" alt="Metrics">