恢复对部分 Windows 旧版本支持

Windows Vista, Windows Server 2008,  XP, Windows Server 2003 的 x64/x86

.github/workflows/agent.yml

@@ -21,6 +21,7 @@ jobs:
         if: startsWith(github.ref, 'refs/tags/')
         with:
           version: latest
+          go-version: 1.10.8
           args: release --rm-dist
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

README.md

@@ -8,10 +8,20 @@
 
 ## 一键脚本
 
-```shell
-curl -L https://raw.githubusercontent.com/naiba/nezha/master/script/install.sh -o nezha.sh && chmod +x nezha.sh
-sudo ./nezha.sh
-```
+- 海外：
+
+    ```shell
+    curl -L https://raw.githubusercontent.com/naiba/nezha/master/script/install.sh -o nezha.sh && chmod +x nezha.sh
+    sudo ./nezha.sh
+    ```
+
+- 国内加速：
+
+    ```shell
+    curl -L https://raw.staticdn.net/naiba/nezha/master/script/install.sh -o nezha.sh && chmod +x nezha.sh
+    sudo ./nezha.sh
+    ```
+
 ## 常见问题
 
 ### 启用 HTTPS