docs: 添加 Windows 交叉编译脚本和 Gitea Actions 配置指南

- scripts/build-windows.sh: Windows 交叉编译脚本
- docs/GITEA_ACTIONS.md: Gitea Actions Runner 配置指南

使用方式:
1. 配置 Gitea Actions Runner (参考 docs/GITEA_ACTIONS.md)
2. 或手动运行 ./scripts/build-windows.sh --upload

scripts/build-windows.sh

@@ -0,0 +1,159 @@
+#!/bin/bash
+# Windows 交叉编译脚本
+# 使用 x86_64-w64-mingw32 工具链
+
+set -e
+
+echo "🚀 ReadFlow Windows 交叉编译脚本"
+echo "=================================="
+
+# 颜色输出
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m'
+
+log_info() {
+    echo -e "${GREEN}[INFO]${NC} $1"
+}
+
+log_warn() {
+    echo -e "${YELLOW}[WARN]${NC} $1"
+}
+
+log_error() {
+    echo -e "${RED}[ERROR]${NC} $1"
+}
+
+# 检查是否安装了 mingw 工具链
+check_mingw() {
+    if command -v x86_64-w64-mingw32-gcc &> /dev/null; then
+        log_info "MinGW 工具链已安装"
+        return 0
+    else
+        log_error "MinGW 工具链未安装"
+        log_info "请运行以下命令安装:"
+        echo "  brew install mingw-w64  # macOS"
+        echo "  sudo apt-get install mingw-w64  # Linux"
+        return 1
+    fi
+}
+
+# 添加 Windows 目标
+add_target() {
+    log_info "添加 Windows 目标..."
+    rustup target add x86_64-pc-windows-gnu
+}
+
+# 编译
+build() {
+    log_info "开始编译 Windows 版本..."
+    
+    # 设置交叉编译器
+    export CARGO_TARGET_X86_64_PC_WINDOWS_GNU_LINKER=x86_64-w64-mingw32-gcc
+    
+    # 编译
+    cargo build --release --target x86_64-pc-windows-gnu
+    
+    log_info "编译完成！"
+}
+
+# 打包
+package() {
+    log_info "打包 Windows 版本..."
+    
+    local version="0.2.0"
+    local build_dir="target/x86_64-pc-windows-gnu/release"
+    local package_dir="dist/readflow-${version}-windows-x86_64"
+    
+    mkdir -p "${package_dir}"
+    
+    # 复制可执行文件
+    cp "${build_dir}/readflow.exe" "${package_dir}/"
+    
+    # 创建 README
+    cat > "${package_dir}/README.txt" << EOF
+ReadFlow v${version} for Windows
+
+快速开始:
+1. 解压到任意目录
+2. 双击运行 readflow.exe
+
+功能:
+- EPUB/MOBI/Markdown/PDF 阅读
+- 20+ 编程语言语法高亮
+- 双语翻译对照
+- 笔记与书签系统
+- 插件系统
+- 主题商店
+
+技术支持：damai@foshanhuiya.com
+Gitea: http://192.168.120.110:4000/damai/readflow
+EOF
+    
+    # 创建 ZIP
+    cd dist
+    zip -r "readflow-${version}-windows-x86_64.zip" "readflow-${version}-windows-x86_64/"
+    cd ..
+    
+    log_info "打包完成：dist/readflow-${version}-windows-x86_64.zip"
+}
+
+# 上传到 Release
+upload_release() {
+    log_info "上传到 Gitea Release..."
+    
+    local version="0.2.0"
+    local token="884162096b7f331c6fb236217d00a9452e34d4aa"
+    local file="dist/readflow-${version}-windows-x86_64.zip"
+    
+    # 获取 Release ID
+    local release_id=$(curl -s "http://192.168.120.110:4000/api/v1/repos/damai/readflow/releases/tags/v${version}" \
+        -H "Authorization: token ${token}" | jq -r '.id')
+    
+    if [ "$release_id" == "null" ] || [ -z "$release_id" ]; then
+        log_error "Release v${version} 不存在"
+        return 1
+    fi
+    
+    log_info "Release ID: ${release_id}"
+    
+    # 上传文件
+    curl -L -X POST "http://192.168.120.110:4000/api/v1/repos/damai/readflow/releases/${release_id}/assets?name=readflow-${version}-windows-x86_64.zip" \
+        -H "Authorization: token ${token}" \
+        -H "Content-Type: application/zip" \
+        --data-binary @"${file}"
+    
+    log_info "上传完成！"
+}
+
+# 主函数
+main() {
+    log_info "开始 Windows 交叉编译..."
+    
+    # 检查工具链
+    if ! check_mingw; then
+        log_warn "跳过编译，请安装 MinGW 后重试"
+        exit 1
+    fi
+    
+    # 添加目标
+    add_target
+    
+    # 编译
+    build
+    
+    # 打包
+    package
+    
+    # 上传 (可选)
+    if [ "$1" == "--upload" ]; then
+        upload_release
+    fi
+    
+    log_info "🎉 Windows 打包完成！"
+    log_info "文件位置：dist/readflow-0.2.0-windows-x86_64.zip"
+}
+
+# 运行
+main "$@"