chore: update module path and add go install instructions

Author: firede

README.md

@@ -20,6 +20,22 @@ Web fetch results are often raw HTML/JS/CSS, which is noisy for LLMs. This tool
 - `static`: never uses browser fallback
 - `browser`: always uses headless browser
 
+## Install (with Go)
+
+If Go is already installed locally:
+
+```bash
+go install github.com/firede/agent-fetch/cmd/agent-fetch@latest
+```
+
+Install a specific version:
+
+```bash
+go install github.com/firede/agent-fetch/cmd/agent-fetch@v0.1.0
+```
+
+Make sure `$(go env GOPATH)/bin` (usually `~/go/bin`) is in your `PATH`.
+
 ## Install (from Releases)
 
 1. Download the archive for your platform from the [GitHub Releases](https://github.com/firede/agent-fetch/releases) page.

README.zh.md

@@ -20,6 +20,22 @@
 - `static`：只走静态路径，不启用浏览器回退
 - `browser`：始终使用无头浏览器
 
+## 安装（使用 Go）
+
+如果本地已经安装 Go，可直接执行：
+
+```bash
+go install github.com/firede/agent-fetch/cmd/agent-fetch@latest
+```
+
+安装指定版本：
+
+```bash
+go install github.com/firede/agent-fetch/cmd/agent-fetch@v0.1.0
+```
+
+请确保 `$(go env GOPATH)/bin`（通常是 `~/go/bin`）已加入 `PATH`。
+
 ## 安装（从 Releases 下载）
 
 1. 在 [GitHub Releases](https://github.com/firede/agent-fetch/releases) 页面下载对应平台的压缩包。

cmd/agent-fetch/main.go

@@ -9,7 +9,7 @@ import (
 	"strings"
 	"time"
 
-	"github.com/fred/agent-fetch/internal/fetcher"
+	"github.com/firede/agent-fetch/internal/fetcher"
 )
 
 type headerFlags struct {

go.mod

@@ -1,4 +1,4 @@
-module github.com/fred/agent-fetch
+module github.com/firede/agent-fetch
 
 go 1.25.0