调整脚本命名并更新文档说明

- 将 bootstrap.sh 重命名为 setup.sh，避免与 dcli init 语义混淆
- README 标题改为通用配置仓库定位
- 更新快速开始命令为 setup.sh

setup.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+set -euo pipefail
+
+REPO_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+echo "==> 安装 yay..."
+if ! command -v yay &> /dev/null; then
+    sudo pacman -S --needed --noconfirm base-devel git
+    rm -rf /tmp/yay
+    git clone https://aur.archlinux.org/yay.git /tmp/yay
+    cd /tmp/yay
+    makepkg -si --noconfirm
+fi
+
+echo "==> 安装 dcli..."
+yay -S --needed --noconfirm dcli-arch-git
+
+echo "==> 链接配置..."
+rm -rf ~/.config/arch-config
+ln -sf "$REPO_DIR/arch-config" ~/.config/arch-config
+
+echo ""
+echo "✓ Bootstrap 完成！"
+echo ""
+echo "下一步："
+echo "  1. 检查配置: ~/.config/arch-config/"
+echo "  2. 应用配置: dcli sync"