docs: improve clarity and compatibility of installation instructions

- Update installation instructions to use process substitution with bash for improved compatibility
- Clarify script description by removing the word "automatically"
- Specify that the program is added to "your PATH" instead of just "PATH" to improve clarity in instructions

Signed-off-by: appleboy <[email protected]>

Author: appleboy

README.md

@@ -87,7 +87,7 @@ choco install codegpt
 
 ```sh
 # Download and run the install script
-curl -sSL https://raw.githubusercontent.com/appleboy/CodeGPT/main/install.sh | bash
+bash < <(curl -sSL https://raw.githubusercontent.com/appleboy/CodeGPT/main/install.sh)
 ```
 
 Or download and run manually:

README.zh-cn.md

@@ -76,7 +76,7 @@ choco install codegpt
 
 ```sh
 # 下载并执行安装脚本
-curl -sSL https://raw.githubusercontent.com/appleboy/CodeGPT/main/install.sh | bash
+bash < <(curl -sSL https://raw.githubusercontent.com/appleboy/CodeGPT/main/install.sh)
 ```
 
 或手动下载后执行：
@@ -86,11 +86,11 @@ chmod +x install.sh
 ./install.sh
 ```
 
-该脚本会自动：
+该脚本会：
 
 1. 检测您的操作系统和架构
 2. 下载最新版二进制文件
-3. 将程序加入 PATH
+3. 将程序加入您的 PATH
 
 可以从 [发布页面](https://github.com/appleboy/CodeGPT/releases) 下载预编译的二进制文件。将二进制文件权限更改为 `755` 并将其复制到系统 bin 目录。使用如下所示的 `codegpt` 命令。
 

README.zh-tw.md

@@ -87,7 +87,7 @@ choco install codegpt
 
 ```sh
 # 下載並執行安裝腳本
-curl -sSL https://raw.githubusercontent.com/appleboy/CodeGPT/main/install.sh | bash
+bash < <(curl -sSL https://raw.githubusercontent.com/appleboy/CodeGPT/main/install.sh)
 ```
 
 或手動下載後執行：
@@ -97,11 +97,11 @@ chmod +x install.sh
 ./install.sh
 ```
 
-此腳本會自動：
+此腳本會：
 
 1. 偵測您的作業系統與架構
 2. 下載最新版二進位檔案
-3. 將程式加入 PATH
+3. 將程式加入您的 PATH
 
 ### 預編譯二進制文件