feat: 添加下载脚本和 .gitignore 文件以排除 PDF 文件

Author: hailaz

.gitignore

@@ -0,0 +1 @@
+*.pdf

download.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+# 获取当前日期
+date=$(date +"%Y%m%d")
+
+# 定义下载文件列表
+files=("docs_1-100" "docs_101-200" "docs_201-300" "docs_301-400" "docs_401-470" "docs_401-479" "examples" "quick" "release")
+
+# 创建下载目录
+download_path="./downloads"
+mkdir -p "$download_path"
+
+# 下载文件
+for file in "${files[@]}"; do
+    url="https://github.com/gogf/goframe.org-pdf/releases/latest/download/${file}.pdf"
+    output_file="${download_path}/${date}_${file}.pdf"
+    echo "正在下载: ${file}.pdf"
+    if curl -L "$url" -o "$output_file" 2>/dev/null; then
+        echo "下载完成: $output_file"
+    else
+        echo "下载失败: ${file}.pdf"
+    fi
+done
+
+echo "所有下载任务完成"