Update language link from Farsi to فارسی

Author: Hidden-Node

README.md

@@ -1,6 +1,6 @@
 # Chain Proxy Builder
 
-🌐 **[Farsi](README-fa.md)** | [English](README.md)
+🌐 **[فارسی](README-fa.md)** | [English](README.md)
 
 A powerful, standalone web application to chain two proxy configurations into a single **Xray** or **Sing-box** JSON configuration. This tool is specifically designed to help users combine multiple proxy layers for enhanced connection stability and fixed IP masking.
 
@@ -74,4 +74,4 @@ TLS, Reality, None
 This project draws inspiration and logic from the [BPB-Worker-Panel](https://github.com/bia-pain-bache/BPB-Worker-Panel) project.
 
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-Built with ❤️ for the privacy community.
+Built with ❤️ for the privacy community.