chore: 初始化项目结构

Author: ReRokutosei

.gitignore

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+# 忽略node_modules
+node_modules/
+# 忽略TypeScript编译输出
+dist/
+*.html

LICENSE

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+MIT License
+
+Copyright (c) 2025 ReRokutosei
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# PicGo Local Backup Plugin
+
+本地备份插件 for [PicGo-Core](https://github.com/PicGo/PicGo-Core)
+
+## 功能特点
+
+- 上传图片时自动备份到本地目录
+- 支持复制或剪切操作
+- 支持自定义文件名模板，包含多种占位符
+- 详细的日志记录系统
+
+## 安装
+
+### 方式1：通过 npm 安装（推荐）
+
+```bash
+# 全局安装 picgo
+npm install picgo -g
+
+# 安装本插件
+picgo install @rerokutosei/picgo-plugin-localbackup
+```
+
+### 方式2：手动安装
+
+1. 克隆本仓库
+2. 在仓库目录下执行：
+```bash
+npm install
+npm run build
+```
+3. 将生成的 `dist` 目录复制到 PicGo 的插件目录中
+
+## 配置
+
+插件提供以下配置项：
+
+1. `backupDir`: 备份目录路径（默认: './backup'）
+2. `operationType`: 操作类型（'copy' 或 'cut'）
+3. `renameTemplate`: 文件重命名模板
+
+### 重命名模板支持的占位符：
+
+- `{filename}`: 原始文件名（不含扩展名）
+- `{extname}`: 文件扩展名（包含点号）
+- `{timestamp}`: 时间戳
+- `{uuid}`: 唯一标识符
+- `{date:format}`: 日期格式化，例如 `{date:yyyy-MM-dd}`
+
+### 示例配置：
+
+```bash
+picgo set plugin @rerokutosei/picgo-plugin-localbackup
+```
+
+## 日志
+
+插件会在备份目录的 `logs` 子目录下生成日期格式的日志文件，记录所有备份操作。
+
+## 开发
+
+```bash
+# 安装依赖
+npm install
+
+# 编译
+npm run build
+```
+
+## License
+
+MIT © ReRokutosei