Update language links in README files

Replaced '🇬🇧 English' with 'us English' in all README files and standardized placeholder text for version numbers in the Arabic README. These changes improve consistency across documentation.

README.ar.md

@@ -1,4 +1,4 @@
-[🇬🇧 English](./README.md) | [🇨🇳 汉语](./README.zh.md) | [🇪🇸 español](./README.es.md) | [🇯🇵 日本語](./README.ja.md) | **🇦🇪 العربية** | [🇷🇺 русский](./README.ru.md) | [🇩🇪 Deutsch](./README.de.md) | [🇫🇷 français](./README.fr.md) | [🇰🇷 한국어](./README.ko.md) | [🇧🇷 português](./README.pt.md)
+[us English](./README.md) | [🇨🇳 汉语](./README.zh.md) | [🇪🇸 español](./README.es.md) | [🇯🇵 日本語](./README.ja.md) | **🇦🇪 العربية** | [🇷🇺 русский](./README.ru.md) | [🇩🇪 Deutsch](./README.de.md) | [🇫🇷 français](./README.fr.md) | [🇰🇷 한국어](./README.ko.md) | [🇧🇷 português](./README.pt.md)
 
 <div dir="rtl" lang="ar">
 
@@ -36,12 +36,12 @@
 
 | المنصة | المعمارية | الملف |
 |----------|-------------|------|
-| **🐧 Linux** | x86_64 | `tzst-v{هذه نسخة كبيرة}-linux-x86_64.zip` |
-| **🐧 Linux** | ARM64 | `tzst-v{هذه نسخة كبيرة}-linux-aarch64.zip` |
-| **🪟 Windows** | x64 | `tzst-v{هذه نسخة كبيرة}-windows-amd64.zip` |
-| **🪟 Windows** | ARM64 | `tzst-v{هذه نسخة كبيرة}-windows-arm64.zip` |
-| **🍎 macOS** | Intel | `tzst-v{هذه نسخة كبيرة}-macos-x86_64.zip` |
-| **🍎 macOS** | Apple Silicon | `tzst-v{هذه نسخة كبيرة}-macos-arm64.zip` |
+| **🐧 Linux** | x86_64 | `tzst-v{version}-linux-x86_64.zip` |
+| **🐧 Linux** | ARM64 | `tzst-v{version}-linux-aarch64.zip` |
+| **🪟 Windows** | x64 | `tzst-v{version}-windows-amd64.zip` |
+| **🪟 Windows** | ARM64 | `tzst-v{version}-windows-arm64.zip` |
+| **🍎 macOS** | Intel | `tzst-v{version}-macos-x86_64.zip` |
+| **🍎 macOS** | Apple Silicon | `tzst-v{version}-macos-arm64.zip` |
 
 #### 🛠️ خطوات التثبيت